https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246449
I believe Internal`StringToDouble was the only way to fast convert string into numbers.
Now in V12.3 it was removed: Internal`StringToDouble["1"]
asked by Murta https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=2266 17 votes
answered by Itai Seggev https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4848 20 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246400
I noticed in V 12.3, when trying to edit an expression in a cell, and moving/scrolling the mouse, the expression itself shakes. It seems to auto-resize or adjust while one is editing it. This does not ...
asked by Nasser https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=70 14 votes
answered by MassDefect https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=42264 16 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246507
Are you aware of any projects using the Wolfram language resp. Mathematica as an environment to explore the design of programming languages - in particular languages with a focus on mathematics (...
asked by Math Gaudium https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=74255 12 votes
answered by Anton Antonov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34008 18 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246444
I have a large codebase in which some functions make calls to Python TCP servers. The code used to work perfectly in Mathematica 12.2, but has not worked since I ...
asked by Shredderroy https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9257 11 votes
answered by Dorian B. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=23275 2 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246520
I am trying to solve the heat equation on a circle with a square shaped hole in it. It works:
asked by Pillsy https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=531 9 votes
answered by Tim Laska https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=61809 11 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246476
The built in benchmark test on my stationary workstation shows an improvement from 2.82 to 5.99, all other hardware and operating systems settings the same. This looks very good. My question is: What ...
asked by FredrikD https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1635 9 votes
answered by Dan https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=42162 5 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246466
After starting Mathematica 12.3, the default window size is like this, it’s too small for me, I dont want to manually drag the window every time. I have tried this,
asked by matrix89 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5379 7 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=15023
The basic multivariable Taylor expansion formula around a point is as follows:
\[ f(\mathbf r + \mathbf a) = f(\mathbf r) + (\mathbf a \cdot \nabla )f(\mathbf r) + \frac {1}{2!}(\mathbf a \cdot \nabla ) \]
asked by matheorem https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4742 65 votes
answered by Jens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=245 73 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=34073
How to calculate the integral of \(\frac {1}{\sqrt {4 z^2 + 4 z + 3}}\) over the unit circle counterclockwise for each branch of the integrand?
asked by user64494 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=7152 42 votes
answered by Artes https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=184 64 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=6738
(Newbie question)
For every function I define I get this message: When I close and reopen Mathematica, and re-enter the function definition, I don’t get the message anymore. What does it mean?
asked by stevenvh https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1450 11 votes
answered by J. M.’s ennui https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=50 13 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=4454
I’ve seen questions before such as "What is the best open-source equivalent for Mathematica?", but that specific question (and that line of inquiry in general) cares more about the computer algebra ...
asked by sblom https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=178 124 votes
answered by Simon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34 86 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=434
How can I express a trigonometric equation / identity in terms of a given trigonometric function?
using following trigonometric identities
asked by Prashant Bhate https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=99 30 votes
answered by Simon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34 37 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=78451
I want to plot the following function:
\[ \int \left (\frac {\Gamma (x+1)}{2}-\frac {\Gamma (x-1)}{2}\right ) \, dx \]
asked by Anixx https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=651 4 votes
answered by k_v https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=24727 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=32293
I’m trying to get the eigenvalues of a one dimensional time-independent Schrödinger equation,
\(-\frac {h^2}{2m_0}\frac {d^2\psi }{dx^2}+U(x)~\psi =Ei~\psi \)
where \(U(x)\) is some potential and Ei is the ...
asked by xslittlegrass https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1364 49 votes
answered by Jens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=245 46 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246395
Here’s some of my code. x1 results in returning the position of a list in a {{{n1}},{{n2}}...}.
Im trying to flatten it such that the list reads out as {n1,n2,n3....} some how it’s adding
elements.
asked by MT Cup https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=79502 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246596
I have been trying to solve the following sine Gordon equation \(\partial _{x,x} u(x,t) - \partial _{t,t} u(x,t) - \sin (u(x,t)) - \alpha \partial _t u(x,t) + \gamma = 0\), for \(x \in [0,15]\) and
asked by t Lê Thành https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=68852 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246560
Is it possible in Mathematica to get a step-by-step evaluation of some functions? Such that Mathematica is outputting not only the result but all the stages that have led to it? If so, how does one do ...
asked by putti.123 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=80178 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246091
This code has been translated from the original Jos Stam code and improved with some Mathematica functions. It solves problem of viscous incompressible flow with electromagnetic force in a rectangle ...
asked by Alex Trounev https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=58388 14 votes
answered by xzczd https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1871 11 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246171
I want to create the following animation with Mathematica.
What is the simplest way to do so? My first effort:
asked by Kim Jong Un https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=42141 12 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 7 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246088
Mathematica 12 on wolfram cloud isn’t rendering the table for an association of lists. According to the documentation you should be able to make columns in the table by:
However I tried this
asked by Ion Sme https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=62529 10 votes
answered by WReach https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=142 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246309
The following code creates the Yin Yang symbol
asked by nilo de roock https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=156 9 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 15 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=245994
Writing:
pts = {{1, 0}, {2, 0}, {2, 3}, {3, 3}, {3, 4}, {0, 4}, {0, 3}, {1, 3}, {1, 0}}; Graphics[{Red, Point[pts], Blue, Line[pts]}]
we get:
and all of this ...
asked by Rolex https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=80016 9 votes
answered by Tim Laska https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=61809 15 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246125
I have this data data = Table[{x, Sin[5 x], Tanh[3 x]}, {x, -1, 1, 0.01}];
which I plot as follows
asked by valar morghulis https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=26937 8 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 6 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246046
I’d like a thick Line to look like ChartElementFunction -> "GlassRectangle" How can
that be accomplished?
asked by Gannicus https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=80033 8 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 11 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=222184
I am interested in benchmarking numerical integration methods and am trying to develop a wider set of difficult multivariate examples. For my particular methods, I only want to look at non-negative-...
asked by ben18785 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=19278 6 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=3306
I have a complex expression with real positive variables only.
Mathematica Input Style:
asked by max https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=796 34 votes
answered by nixeagle https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=814 54 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=1542
I want to draw some basic surfaces, export them to PDF and include them in a LaTeX file. I create a simple 3D graphics object, for instance with
asked by Matthew Leingang https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=395 109 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=135937
Salacious title, but true story.
asked by Prisoners Dilema https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46025 42 votes
answered by bobthechemist https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=7167 23 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=20100
I’m new to Mathematica, and I’m finding it difficult to plot an ellipse. I tried using
Plot[(x/5)^2 + (y/3)^2 == 1, {x, -5, 5}, {y, -3, 3}]
but I’m getting ...
asked by Sriram https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=6075 18 votes
answered by Jens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=245 30 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=32378
I’m visualizing some hydrogen like atomic orbitals. For looking at plane slices of the probability density, the DensityPlot function works well, and with something ...
asked by Peeter Joot https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=10 45 votes
answered by xslittlegrass https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1364 25 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=3506
I am wondering what is the correct function in Mathematica to plot the true impulse function, better known as the DiracDelta[] function. When using this inside of a ...
asked by night owl https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=116 17 votes
answered by Heike https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46 19 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246242 Is there a way to speed this function?
asked by An old man in the sea. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=11313 2 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246300
I’m trying to integrate an ellipse: (x^2)/alpha^2) + ((y^2)/beta^2) = 1. I am not sure if
I should have insert constants for alpha and beta or if there’s a way to keep them
there.
This is my code
asked by user80088 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=80088 1 vote
answered by Daniel Huber https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46318 0 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=246152
ArrayQ provides a nice way to check for missing data (specifically, it checks if the array is ragged). But if you import your data as a dataset, and apply ArrayQ, it will return False for both ragged ...
asked by theorist https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=45215 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=245937
To give some context, this problem is related to music theory. I have a matrix I’m generating with this code:
asked by Eriek https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=18649 6 votes
answered by thorimur https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=63584 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=245908
Say, I have the following expressions
f = R[p] g = S[p]
where R,S are rational functions, and I want to find a polynomial such that
asked by nilo de roock https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=156 6 votes
answered by Roman https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=26598 11 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=245797
For dynamic system: \(\dot {x}=\frac {df}{dx}+u\) where \(f=e^{-x^2}\) It is necessary to develop optimal control, minimizing criterion: \(J= \int _{0}^{t_f} ((\frac {df}{dx})^2+u^2) \,dt \) Algorithm:
We ...
asked by dtn https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=67019 6 votes
answered by Alex Trounev https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=58388 7 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=245721
I have an association where the keys are the days of the week:
asked by theorist https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=45215 6 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 6 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=245800
I am interested in exploiting a symbol that is similar to the PowerPoint’s laser pointer in the role of PlotMarkers. Is there any idea to create that!? This symbol ...
asked by Inzo Babaria https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=33967 5 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 12 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=245782
Hyperreals are an extension to the real numbers; they formalise the concepts of infinities and infinitestimals as numbers, rather than the named limit points outside of the system of reals and form ...
asked by Julian Moore https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12858 5 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=245784
Consider an association which contains a key which must not be prematurely evaluated.
assoc = <| key :> value |>
For example, a value of ...
asked by Anti Earth https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=32591 5 votes
answered by Leonid Shifrin https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=81 6 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=627
I would like to plot those two datasets on top of each other. But they have very different range on the \(y\) axis. How can I have two different axis?
I found the following on the help menu but quite ...
asked by 500 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=172 152 votes
answered by ArgentoSapiens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=92 152 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=26336
I am wondering how to implement the multi-peak detecting and fitting in Mathematica.
Following is an example of fitting the data using three peaks (such that the
data ~ peak1 + peak2 + peak3). The ...
asked by Everett You https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1389 55 votes
answered by Silvia https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=17 55 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=16108
I am not sure how to find out what all is included as curated data. For example, are the individual images of each of the 52 cards in a standard deck of playing cards included?
If not, is there a way ...
asked by JohnD https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1629 25 votes
answered by rm -rf https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5 23 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=14035
Is it possible to export the output expressions from Mathematica computations (e.g., equations) in valid MATLAB syntax?
asked by Seyhmus Güngören https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4256 43 votes
answered by rm -rf https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5 48 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=736
I quite often would like to draw graphics in my LaTeXdocuments using Mathematica. I have encountered three problems. I would like to know if there are any workarounds to these problems
I would ...
asked by Thomas Rot https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=227 130 votes
answered by Simon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34 46 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=34668
If you enter the following into Wolfram | Alpha, you get nice graphs:
graph 4 x^4 + y^2 = 2
How do you do this in Mathmatica? I realize that these are not ...
asked by Rollie https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=10174 40 votes
answered by Timothy Wofford https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9391 41 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=3506
I am wondering what is the correct function in Mathematica to plot the true impulse
function, better known as the DiracDelta[] function. When using this inside of a
...
asked by night owl https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=116 17 votes
answered by Heike https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46 19 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=245826
I’ve got an ODE system, which I attempt to solve by two ways: solving the system itself, and using vector ODE. Here is code of first way:
asked by Cpp Nosavvier https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=79893 3 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=245884
Consider the following integral: \[ I = \frac {1}{\pi c^2} \int \limits _{r=0}^c 2 \pi r\ e^{-\frac { \left ( \sqrt {a^2 - r^2} -\sqrt {b^2 - r^2} \right )}{\lambda }}\ dr \] under the conditions \(a>b>c>\)...
asked by David G. Stork https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9735 2 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=245673
This has been annoying me for a long time. I want a rational function to be represented in the form \[\frac {a_nx^n+....a_0x^0}{b_mx^m+....b_0x^0}\] But this seems to be quite difficult. Mathematica ...
asked by grdgfgr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=28163 2 votes
answered by Ulrich Neumann https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=53677 0 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=245078
My code replaces each repeated element by "X".
asked by azerbajdzan https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=53172 10 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 18 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=2450308
Good day. Let’s take an example from Help on RecurrenceTable
asked by macros https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=79485 6 votes
answered by Roman https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=26598 3 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=245121
I deals with a coupled system with non-linear differential equations of first order. I perform numerical solution with NDSolve and then use obtained solutions,
asked by Artem Alexandrov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=49992 5 votes
answered by Alex Trounev https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=58388 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=245050
Suppose you have region with 2 materials: one embedding material matrix containing some particles
asked by Mauricio Fernández https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=24710 4 votes
answered by Tim Laska https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=61809 5 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=245080
I am currently writing a paper in which Fibonacci Spirals are discussed. In the text of the paper the mathematics of these objects is discussed and the relevant equations and relationships are shown ...
asked by urquiza https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=79636 4 votes
answered by flinty https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72682 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=245068
Is there a way to write a function where the input is a vector and the output is the elements in the vector that are repeated? I was trying to use something along the lines:
asked by Trashlife https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=79628 4 votes
answered by Roman https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=26598 7 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=245051
I want to separate two regions in DensityPlot similar to the attached image.
In my code and the obtained result, I want to separate the region with less value of one from others. How can I do this? ...
asked by mehrosadat ebrahimi https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=40575 4 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 4 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=24169
I’m new to Mathematica and I need to ask how to graph a sphere, cylinder, etc.. using cartesian equations.
For example in sphere’s case \(x^2+y^2+z^2=1\)
I tried to use ...
asked by German https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=7145 8 votes
answered by Dr. belisarius https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=193 14 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=46538
I want to get the following expression from Mathematica to LaTeX:
\[ \begin {bmatrix} E_{\parallel } \\ E_{\perp } \end {bmatrix} \]
I have tried to use inbuilt ’symbol’ character from the special ...
asked by Steve Hatcher https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=13314 20 votes
answered by Sjoerd C. de Vries https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=57 27 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=19076
I’m trying to plot a function of the form \(z(r,\theta )\) where \(r \in [0, R]\) for a finite R, \(\theta \in [0,2\pi [\), and z is the third coordinate, a function of the first two. I couldn’t find anything ...
asked by Learning is a mess https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5643 19 votes
answered by whuber https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=91 26 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=2371758
I am looking for an ELI5 explanation of whatCompile[] in the Wolfram Language context
does and why it works so much faster than uncompiled code in certain cases. I am trying to
get more insight to ...
asked by anon248 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=66458 20 votes
answered by chasly - supports Monica https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34024 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=850
Is there some way to do this other than going to Evaluation -> Quit kernel and firing a
new one up?
asked by niklasfi https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=82 99 votes
answered by Artes https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=184 98 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=3433
I am using this code to plot a graph, and I am trying to make the font of the legend bigger.
asked by Julia https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=525 20 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 25 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=8841
I’d like to plot the graph of the direction field for a differential equation, to get a feel for it. I’m a novice, right now, when it comes to plotting in Mathematica, so I’m hoping that someone can ...
asked by Matt Groff https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1735 33 votes
answered by Peter Breitfeld https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=307 26 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=2451018
I am trying to reproduce the following graph of phase shifts as function of frequency.
Please see my code bellow. I used Mathematica to solve for t1 and ...
asked by guestuser https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=76488 2 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=245194
I need to solve the following system of (infinitely many) equations. I am looking for \(V(0,0)\)
\(t \in \{0,1,2.....\}\) with one caveat that \(s \leq 1+t\) should hold.
\( s \in \{1,2,3,L-1\}\)
fixed ...
asked by Monire Jalili https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=62240 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=2452988
I am constructing polynomial expressions in the variables \(s[0],s[1],...,s[n]\) and I’m trying to define a new operation to simplify the expression:
asked by David https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72836 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=244887
I have three lists:
x = {x1, x2, ...}, y = {y1, y2, ...}, yErr = {y1Err, y2Err, ...}
that I want to join into the following format:
asked by uuu https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=42359 7 votes
answered by Ulrich Neumann https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=53677 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=244672
There are two ways (afaik) to parse traditional math string to an expression:
asked by Kuba https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5478 7 votes
answered by Kuba https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5478 3 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=244907
Could you help me, please? I have two complex functions of real variable f[x] and fc[x]
such that one is a conjugate of another one. I’d like to take a conjugate of an expression that
includes both of ...
asked by Svetlana https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72941 6 votes
answered by Daniel Huber https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46318 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=244820
How to pack n equal disks(radius a/2) with maximal area inside a given rectangle ? I’m trying to solve this problem using Mathematicas Region functions. Here my approach: Maximize the area of the ...
asked by Ulrich Neumann https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=53677 6 votes
answered by cvgmt https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72111 6 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=244961
I need to perform the following operations using Wolfram Mathematica. I have these equations: \[a b = c+d+e\] \[\frac {d}{f}=g h + i\] \[k=\frac {a}{c}\] I need to obtain \(k\) as a function of: \(a,b,c,e,\dots \)
asked by Skyhawk https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=79597 5 votes
answered by Bob Hanlon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9362 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=244834
If I have a list:
{ball,ball,BINDIVIDER,ball,ball,ball,BINDIVIDER,BINDIVIDER,ball,BINDIVIDER,ball}
The balls and bins can be in any permutation. Then, the ...
asked by apkg https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=35029 5 votes
answered by WReach https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=142 6 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=244993
Suppose you have an elastic cylinder of radius \(R\) and height \(H\) and you want to solve the mechanical 3D equilibrium with Mathematica’s FEM. How do you impose a pressure \(p\) only on the cylinder ...
asked by Mauricio Fernández https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=24710 4 votes
answered by user21 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=18437 4 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=5910
I have data in file.txt which can be expressed by 20000x11 matrix. I do not want to import
all of these data. How can I plot graph of the column 1 & column 4?
asked by Gokce https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1297 21 votes
answered by user1066 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=106 24 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=125043
Being a theoretical physicist, I always have a great respect for Spherical Cow. So I thought about making one myself. I am not sure how can I create (something considered to be the simplest!) this ...
asked by Sumit https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=8070 69 votes
answered by andre314 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5467 76 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=18393
As you may already know, Mathematica is a wonderful piece of software. However, it has a few characteristics that tend to confuse new (and sometimes not-so-new) users. That can be clearly seen from ...
asked by Dr. belisarius https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=193 485 votes
answered by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999 288 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=135937
Salacious title, but true story.
asked by Prisoners Dilema https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46025 42 votes
answered by bobthechemist https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=7167 23 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=236499
Christmas is around the corner! In preparation, consider the polynomial
f[x_,y_]:= 1/10 (4 - x^2 - 2 y^2)^2 + 1/2 (x^2 + y^2)
and define \(r=(f_x,f_y)\) using the ...
asked by fwgb https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=44151 30 votes
answered by Roman https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=26598 22 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=2456
Struggling often with Trigonometry I would like to have some code to generate this Unit Circle Trigonometry. Would be of great help when I need to transform some data :
asked by 500 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=172 18 votes
answered by Mark McClure https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=36 32 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=3306
I have a complex expression with real positive variables only.
Mathematica Input Style:
asked by max https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=796 34 votes
answered by nixeagle https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=814 53 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=244963
this is my very post here, so I apologize for any possible format issue. I am using HypergeometricPFQ functions (more exactly \(_3F_2\)) as approximants for other more complicated functions. Here are ...
asked by avg https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=79519 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=244663
Can I recursively extract StringCases[] that match a specific pattern? Here is a minimalist
example (not my actual problem):
asked by Conor Cosnett https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=36681 2 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=244702
How can I use Predict[Xs->Ys, Method->"NeuralNetwork"] to predict 90%-quantile
(instead of mean value)? Utility Function does not work well for this case, because
it assumes ...
asked by Artem Vorozhtsov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=61755 2 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=244314
I want to swap the list to make a new list as follows. The code works but I’m wondering if there is a neat code, or an elegant way to do this.
asked by anhnha https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=18805 9 votes
answered by kirma https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=3056 10 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=244482
This is a follow-up to a previous question (see here). We would like to solve the two-dimensional Stokes equations using the FEM package in Mathematica, when we prescribe traction boundary conditions. ...
asked by Alex R https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=78043 7 votes
answered by Oleksii Semenov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=63028 3 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=244566
I came across the need to transform a number into a factorial n, with positive integer n. I have searched in the MMA information but I can’t find anything like that. I imagine an input, which verifies ...
asked by zeros https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=26849 7 votes
answered by Bob Hanlon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9362 6 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=244313
This seems like it should be a simple question – but I am looking to use a "home made" stopping condition with FindMaximum, while evaluating a very complex function. Printing out the ...
asked by Richard E https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=79342 7 votes
answered by Daniel Huber https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46318 8 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=244565
Given a 2D Mathematica Region, e.g. A = Region[RegionDifference[Disk[{0, 0}, 2], Disk[{2, 0}, 1]]],
how can I grow the region by an arbitrary radius r? For example, ...
asked by Aaron T. Becker https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=76690 6 votes
answered by cvgmt https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72111 5 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=244316
Is there a way to generate real random orthogonal matrices in mathematica? If Q is an orthogonal matrix, it’s properties are
asked by Jasmine https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=73364 6 votes
answered by Henrik Schumacher https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=38178 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=244592
If we create a random graph
Chop[LowerTriangularize[RandomReal[{-1, 1}, {10, 10}], -1], 0.6] /.0 -> \[Infinity] // MatrixForm WeightedAdjacencyGraph[%]
How can ...
asked by Teabelly https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=56986 5 votes
answered by Szabolcs https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12 6 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=85139
In Wolfram Mathematica the function Fourier has the following declaration
Fourier[list]
And after a list is given to the ...
asked by user253956 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=29958 27 votes
answered by Hugh https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12558 61 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=19859
I need to save data that Mathematica uses inside the Plot command. The format that I would like to have is:
x1 y1 x2 y2
asked by molkee https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5097 30 votes
answered by Mr.Wizard https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=121 47 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=148
Is it possible in Mathematica to get a step-by-step evaluation of some functions; that’s to say, outputting not only the result but all the stages that have led to it? If so, how does one do it?
asked by Cydonia7 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=44 131 votes
answered by J. M.’s ennui https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=50 109 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=3561
In the plot below I would like to add two vertical lines at \(x = \frac {\pi }{15} \pm \frac {1}{20}\). How can I do that?
asked by sjdh https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=515 64 votes
answered by Ajasja https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=745 83 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=64003 I have a list:
data = {4, 5, 7, 8, 9, 5, 3, 2, 1, 2, 13, 12};
I want to take those elements in the list which are located at equal distances, say, every third ...
asked by Suro https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=20003 37 votes
answered by Szabolcs https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12 34 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=24169
I’m new to Mathematica and I need to ask how to graph a sphere, cylinder, etc.. using cartesian equations.
For example in sphere’s case \(x^2+y^2+z^2=1\)
I tried to use ...
asked by German https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=7145 7 votes
answered by Dr. belisarius https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=193 13 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=67521
I’m solving equations with many Cosines and Sines. And I want to convert all the Sines to
Cosines using trigonometric formulas such as cos(x)=sin(x+pi/2). How can I do
this?
asked by YongCheol Kwon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=23041 4 votes
answered by Sjoerd C. de Vries https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=57 2 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=244335
Consider the following scene as an example:
asked by user13892 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=13892 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=244342
I want to solve the following differential equation f''[z] + (1/z)*f'[z] - f[z] + f[z]^3 == 0
subject to the boundary conditions
asked by HeitorGalacian https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=73726 1 vote
answered by Mariusz Iwaniuk https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=26828 0 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=244387
How to draw spheres with BubbleChart with a reversed vertical axis? The 3rd example shows the problem (empty plot), likely caused by the transformation, but how to correct it?
asked by HuibH https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=70256 3 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=243660
Are the maps available in Mathematica copyright-free? For instance, if I generate the image
asked by sam wolfe https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=64001 13 votes
answered by Carl Lange https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=57593 24 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=243664
This question is majorely influenced by a meme...
Now, I thought... it would be interesting to see what kind of "passwords" could one derive using Periodic Table :D Hence, I began to work ...
asked by e.doroskevic https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=18696 9 votes
answered by creidhne https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=41569 3 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=243547
I want to uniformly sample \((0,1)\)-matrices with certain constraints. In particular, I want sum of each row to be rowsum and the sums of columns to equal ...
asked by kirma https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=3056 8 votes
answered by Szabolcs https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12 7 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=243711
Recently I came across an interesting article by Daniel Lichtblau, where the integral
Integrate[Abs[x - y]^n, {x, 0, 1}, {y, 0, 1}]
asked by user64494 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=7152 7 votes
answered by Ulrich Neumann https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=53677 8 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=243859
In this previous question I looked into a deprecated capability of Mathematica from Version 2. Mathematica command that allows it to read my intentions Thanks to all for your answers. I note that ...
asked by MikeY https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=47314 6 votes
answered by MikeY https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=47314 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=243823
I’m trying to put together several different 2D plots in a 3D graphics to create a figure which would be like the one below (taken from https://aip.scitation.org/doi/10.1063/1.4998724 However my ...
asked by AntoineM https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=79171 6 votes
answered by Bob Hanlon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9362 4 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=243776
Suppose I have a dataset, which I want to sort according to two criteria. However, I want the first criteria to be sorted ascending, and the second descending. This would require to somehow combine ...
asked by Gabriel Landi https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=347 6 votes
answered by SquareOne https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=19960 3 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=198839
https://blog.stephenwolfram.com/2019/05/launching-today-free-wolfram-engine-for-developers/
http://www.wolfram.com/engine/
The Free Wolfram Engine for Developers is available for pre-production ...
asked by Alexey Golyshev https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=23402 65 votes
answered by Alexey Golyshev https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=23402 55 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=434
How can I express a trigonometric equation / identity in terms of a given trigonometric function?
using following trigonometric identities
asked by Prashant Bhate https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=99 30 votes
answered by Simon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34 37 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=222184
I am interested in benchmarking numerical integration methods and am trying to develop a wider set of difficult multivariate examples. For my particular methods, I only want to look at non-negative-...
asked by ben18785 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=19278 6 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=16108
I am not sure how to find out what all is included as curated data. For example, are the individual images of each of the 52 cards in a standard deck of playing cards included?
If not, is there a way ...
asked by JohnD https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1629 25 votes
answered by rm -rf https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5 23 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=37266
Today, I found the Euler Project. Problem #2 is
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be:
asked by xyz https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9627 34 votes
answered by rcollyer https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=52 46 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=850
Is there some way to do this other than going to Evaluation -> Quit kernel and firing a
new one up?
asked by niklasfi https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=82 99 votes
answered by Artes https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=184 98 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=26336
I am wondering how to implement the multi-peak detecting and fitting in Mathematica.
Following is an example of fitting the data using three peaks (such that the
data ~ peak1 + peak2 + peak3). The ...
asked by Everett You https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1389 55 votes
answered by Silvia https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=17 55 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=243708
I do not understand this statement from the Introduction to Dynamic tutorial:
asked by Dave https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=79143 1 vote
answered by MarcoB https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=27951 0 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=243637
I’ve noticed that wrapping a Graphic[] in Hyperlink[] causes weird things to happen when using ...
asked by Mike H https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=79121 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=243849
I’m working with square polynomial systems and wish to know if a (small) system has a finite number of solutions. That is, if it’s zero-dimensional. I’m not aware of any built-in function to do this ...
asked by Dominic https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=47466 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=242183
Can we say Head[x] and x[[0]] are identical ? In mathematica manual I could find : ’The
head is the part with index 0’
But I am not sure whether Head[x] are x[[0]] are really interchangeable in any
...
asked by imida k https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34532 15 votes
answered by Leonid Shifrin https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=81 13 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=242180
I want to roll the function f(x)=sqrt(x), x[0,1] along the y-axis. I know how to rotate
the graph around a point, but I’m not sure how to rotate along an axis in 2D. Rotating
around a point e.g. (0,...
asked by Guy Foxx https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=75736 14 votes
answered by cvgmt https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72111 17 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=242138
Hi I am new to using Mathematica, so am not too confident. I am essentially trying to model vibrations of a guitar sound board for a project. It would be great to get some visualisations of the ...
asked by sp96 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=77970 11 votes
answered by Tim Laska https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=61809 8 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=242140
How to set the options or other parameters in a TreePlot to draw the branching outside of the vertex? I.e. in a form similar to a dendrogram (but the dendrogram plot itself does not support the ...
asked by Slepecky Mamut https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=48033 10 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=242186
I want to quantify the flow from photos taken from a sensor such as this one:
For a limited number of readings, I can use a plot digitization method. However, I need to do this many times for ...
asked by MathX https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=38575 9 votes
answered by MelaGo https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=63360 10 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=242030
I want to compute the automorphism group of a matroid. This reduces to the following (more general) problem: Suppose I have a list of sets \(\{\{b_{11},\dots ,b_{1k}\},\dots ,\{b_{k1},\dots ,b_{kk}\}\}\) ...
asked by Madeline Brandt https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=51040 7 votes
answered by Madeline Brandt https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=51040 6 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=242425
Is there any way to make a circular heat map in Mathematica? Thanks for your help! Here is a toy example for regular heat map. Can anyone help me make it to a circular one?
asked by Frankie https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=70269 6 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 4 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=8885
How can I draw the 5 interlocking Olympic rings with Mathematica? (SVG version) Edit
Hard choice, but some pretty cool answers here. I didn’t have 3D answers in mind when I posted the question, but ...
asked by Mike Honeychurch https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=77 44 votes
answered by cormullion https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=61 23 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=19859
I need to save data that Mathematica uses inside the Plot command. The format that I would like to have is:
asked by molkee https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5097 30 votes
answered by Mr.Wizard https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=121 47 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=6738
(Newbie question)
For every function I define I get this message: When I close and reopen Mathematica, and re-enter the function definition, I don’t get the message anymore. What does it mean?
asked by stevenvh https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1450 11 votes
answered by J. M.’s ennui https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=50 13 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=64003
I have a list:
data = {4, 5, 7, 8, 9, 5, 3, 2, 1, 2, 13, 12};
I want to take those elements in the list which are located at equal distances, say, every third ...
asked by Suro https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=20003 37 votes
answered by Szabolcs https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12 33 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=4444
I need to create a plot for export and inclusion in a report. Is there a better way to label curves than PlotLegends? From what I’ve read and my personal experience,...
asked by Tianxiang Xiong https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1041 63 votes
answered by Artes https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=184 47 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=11819
In today’s news, scientists found a bright object on one of Curiosity’s photos (it’s near the bottom of the picture below). It’s a bit tricky to find - I actually spent quite some time staring at the ...
asked by Victor K. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1351 201 votes
answered by Niki Estner https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=242 261 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=18082
testData = Table[N@Sin[500 x], {x, 0, 100}]; ListLinePlot[Abs[Fourier[testData]], PlotRange -> Full]
Gives me Which I do not expect because the Fourier ...
asked by C. E. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=731 14 votes
answered by KennyColnago https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=3246 16 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=242074
In mathjax \mathscr{C} gives me the character $\mathscr{C}$ that I want. There is a
UTF listing for this character. https://www.compart.com/en/unicode/U+1D49E If I copy
form this webpage and paste ...
asked by Steven Thomas Hatton https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=44139 2 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=242097
I want to create a FormFunction that takes in a CSV file, applies some operations on the data and outputs another CSV file. I would like for the ouput CSV file to be automatically downloaded. I have a ...
asked by Gabriel Landi https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=347 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=242436
This question is in continuation of the my previous question that was not clearly presented by me at all. I have a unit cell, and I would like to generate a lattice but in iterative order. For ...
asked by L.K. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=15927 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241791
I am getting these results:
asked by Craig Carter https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12461 20 votes
answered by Chip Hurst https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4346 23 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241712
We can declare a function to have the Listable Attribute so that it automatically threads over lists in a particular way. For functions of multiple arguments it ...
asked by Tanner Legvold https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=68925 14 votes
answered by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999 8 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241686
For a curve taken from a picture, is there any method to fit it with an equation if it appears to be some standard curve? For example, in the following picture, the curve looks like an ellipse or a ...
asked by Nobody https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=66106 10 votes
answered by mikado https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=36788 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241573
Working in the creations of APIs with Mathematica 12.2, I got this problem with diacritics when sending JSON data. Here is a toy code using httpbin.
asked by Murta https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=2266 10 votes
answered by Kuba https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5478 8 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241876
I’m trying to make a "main effect" type chart but I haven’t found a way to do it in Mathematica. The main effect plots are the graphs plotting the means for each value of a categorical ...
asked by ALEXANDRE ARARIPE https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=77894 7 votes
answered by MassDefect https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=42264 11 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241943
I would like to generate all the tuples of ones and zeros of a given length and with a given number of ones without generating all the possible tuples, which is impossible for tuples of large enough ...
asked by EGME https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=53849 6 votes
answered by Roman https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=26598 10 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241642
Wolfram Mathematica 12.2 now features "Named Partial Differential Equation Terms"
For specific physics fields, relevant PDE terms have been packaged as components and augmented with ...
asked by rhermans https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=10397 6 votes
answered by Tim Laska https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=61809 4 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=18082
testData = Table[N@Sin[500 x], {x, 0, 100}]; ListLinePlot[Abs[Fourier[testData]], PlotRange -> Full]
Gives me Which I do not expect because the Fourier ...
asked by C. E. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=731 14 votes
answered by KennyColnago https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=3246 16 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=32378
I’m visualizing some hydrogen like atomic orbitals. For looking at plane slices of the probability density, the DensityPlot function works well, and with something ...
asked by Peeter Joot https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=10 45 votes
answered by xslittlegrass https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1364 25 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=11350
I received an email to which I wanted to respond with a xkcd-style graph, but I couldn’t manage it. Everything I drew looked perfect, and I don’t have enough command over ...
asked by Amatya https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=2039 622 votes
answered by Simon Woods https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=862 483 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=2456
Struggling often with Trigonometry I would like to have some code to generate this Unit Circle Trigonometry. Would be of great help when I need to transform some data :
asked by 500 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=172 18 votes
answered by Mark McClure https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=36 32 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=29203
I am new to Mathematica, and using version 8.0.
I would like to calculate the 2D Fourier Transform of an Image with Mathematica and plot the magnitude and phase ...
asked by user8727 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=8727 17 votes
answered by Nasser https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=70 33 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=34668
If you enter the following into Wolfram Alpha, you get nice graphs:
graph 4 x^4 + y^2 = 2
How do you do this in Mathmatica? I realize that these are not ...
asked by Rollie https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=10174 39 votes
answered by Timothy Wofford https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9391 40 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=235815
During these days of COVID, I indulged in the guilty pleasure of watching The Curse of Oak Island - Season 8, Episode 4 Alignment, which viewed last night (1 Dec 2020). During the episode, some "...
asked by Jagra https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=571 13 votes
answered by Carl Lange https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=57593 12 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241851
The documentation of ColorFunction states that in ListContourPlot3D your chosen function gets the arguments ...
asked by Fidel I. Schaposnik https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=45839 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241842
When typing Importin a notebook Mathematica suggests to autocomplete the file path you want to enter or choose a file using the GUI. Is there a way to let a ...
asked by Gert https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=27889 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241633
I am trying to find six integer numbers a, b, c, x, y, z so that the angle of two vector
{a, b, c ...
asked by minhthien_2016 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5320 1 vote
answered by Daniel Huber https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46318 0 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241402
I would like to code a Metropolis Hasting algorithm and thought I would get the general scheme of things going with a toy example.
I think I got it running but my Mathematica code runs significantly ...
asked by Smerdjakov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=55615 13 votes
answered by Henrik Schumacher https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=38178 22 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241234
I started building this Manipulate and am certain I can do so on my own, but thought it was fun enough that others might want to try. (If this is some abuse of the ...
asked by David G. Stork https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9735 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241231
I have a question in respect of the BoxWhiskerChart. The default functionality of BoxWhiskerChart is that you mouse over it and ...
asked by Jiri https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=77351 9 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241087
I need to determine how many strictly increasing sequences of a certain length (e.g. 5) are contained in a list of integers. I would be very happy if someone could help me. A sequence would be ...
asked by hnh https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=77559 9 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241086
I am trying to calculate the pressure required to flatten a bowed wafer. The simple model I am using for the study has a bottom layer (the bowed wafer) pushed against a harder flat surface as shown in ...
asked by martin https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=77626 8 votes
answered by user21 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=18437 2 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241503
This question is solely based upon \([1]\) and therefore, the reading of \([1]\) could be interesting. How can I export the image created, by the code in the following, with high definition, beautiful, 4K ...
asked by M.N.Raia https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=71570 8 votes
answered by thorimur https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=63584 10 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241405
Is is possible to add a skewed grid in a plot? Consider the following image;
The grey axes are the normal axes (\(\mathbf {e}_1\) and \(\mathbf {e}_2\)), the black axes are transformations \(\mathbf {e}'_1=2\)
asked by mf67 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=55498 8 votes
answered by Daniel Huber https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46318 8 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=86058
Python’s family of packages for scientific computing has matured rapidly. I can pretty much replicate all of Mathematica’s functionalities, but with production level and open-source code using the ...
asked by M.R. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=403 49 votes
answered by Jens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=245 36 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=1542
I want to draw some basic surfaces, export them to PDF and include them in a LaTeX file. I create a simple 3D graphics object, for instance with
asked by Matthew Leingang https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=395 109 votes
answered by Heike https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46 88 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=1987
I would like to display an electromagnetic (EM) wave. I have written code that works, but it does not "shade" the area between the graph and the axes. Both the ...
asked by Rainforest Frog https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=202 22 votes
answered by J. M.’s ennui https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=50 16 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=16881
Well, the title is self-explanatory. What sorts of snowfall can we generate using Mathematica? There are two options I suggest to consider:
1) Continuous GIF animations with smallest possible number ...
asked by faleichik https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=219 40 votes
answered by Simon Woods https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=862 54 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=19546
Here is a simple building floor plan. I would like to derive the rooms as (rectangular) components and the names of the rooms. This is very common representation of building floor plans.
The problem
asked by s.s.o https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=840 64 votes
answered by Niki Estner https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=242 59 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=29203
I am new to Mathematica, and using version 8.0.
I would like to calculate the 2D Fourier Transform of an Image< with Mathematica and plot the magnitude and phase ...
asked by user8727 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=8727 17 votes
answered by Nasser https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=70 33 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=18393
As you may already know, Mathematica is a wonderful piece of software. However, it has a few characteristics that tend to confuse new (and sometimes not-so-new) users. That can be clearly seen from ...
asked by Dr. belisarius https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=193 482 votes
answered by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999 288 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241216
I’m using Mathematica 12.2 on Ubuntu Mate 20.10 on an AMD FX(tm)-8120 with a GeForce GTX 1070 Ti NVIDA card. The issue is that I get unwanted horizontal lines just below the cell that I’m working on ...
asked by c186282 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4515 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241097
I was wondering how can I find What is the minimum differencing order needed to remove the trend in a time series? I have a a times series and a TimeSeriesModelFit, which is SARIMA model. I want to ...
asked by Pjana https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=75643 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=241245
Following up from @kglr's answer here, I’d like to understand how TextureCoordinateFunction[]
works within SurfaceAppearance[]. ...
asked by martin https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9923 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=240449
SUMMARY: If a List,TimeSeries etc. of Around objects contains any identical elements,
asked by Aaron Eiben https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72186 14 votes
answered by Sjoerd Smit https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=43522 11 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=240596
I don’t understand how to manipulate numbers with repeating decimal in Wolfram Mathematica language. For example 0.3... does not work as input and I don’t see how ...
asked by Simpleton Jack https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=22399 9 votes answered by J. M.’s ennui https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=50 11 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=240325
There’s a set of arrays that I want to remove repeated elements that are equal after rotation:
asked by A little mouse on the pampas https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=42417 9 votes
answered by Carl Woll https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=45431 11 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=240522
The expression 1+Sqrt[2]I-Complex[1,Sqrt[2]] should be zero. In fact,
N[1+Sqrt[2]I-Complex[1,Sqrt[2]]] yields ...
asked by pdmclean https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9154 7 votes answered by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999 10 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=240357
Four couples a are sitting around a round table, in which husband and wife can not be adjacent. How many different seating plans are there? I want to get as many simple calculations as possible.
asked by A little mouse on the pampas https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=42417 7 votes
answered by Beny Izd https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=77079 8 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=240461
What’s the mathematica command to get the numerical value of : \[PV\int _0^\infty \frac {\tan x}{x}\text {d}x?\] where \(PV\) is the principal value.
asked by Ali Shadhar https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=67714 7 votes
answered by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999 7 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=240571
I need to display a directed acyclic graph (say Hasse diagram of partial order) oriented with minimal elements at the bottom, maximal elements at the top as is conventional for Hasse diagrams. I tried ...
asked by Mike https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=62210 6 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 7 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=736
I quite often would like to draw graphics in my LaTeXdocuments using Mathematica. I have encountered three problems. I would like to know if there are any workarounds to these problems
I would ...
asked by Thomas Rot https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=227 127 votes
answered by Simon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34 46 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=222184
I am interested in benchmarking numerical integration methods and am trying to develop a wider set of difficult multivariate examples. For my particular methods, I only want to look at non-negative-...
asked by ben18785 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=19278 6 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=11350
I received an email to which I wanted to respond with a xkcd-style graph, but I couldn’t manage it. Everything I drew looked perfect, and I don’t have enough command over ...
asked by Amatya https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=2039 620 votes
answered by Simon Woods https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=862 481 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=21544
Is there a way to find a limit of a multivariable function, like
\[\lim _{(x,y)\to (0,0)} f(x,y)\] with Mathematica?
When \(f\) is continuous, we can use \[\lim _{(x,y)\to (0,0)} f(x,y)=\]
asked by Dominic Michaelis https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5899 31 votes
answered by whuber https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=91 42 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=4643
I’d like to know how can I call Mathematica functions from Python.
I appreciate a example, for example, using the Mathematica function Prime.
I had search about MathLink but how to use it in Python ...
asked by GarouDan https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1058 69 votes
answered by GarouDan https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1058 28 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=5910
I have data in file.txt which can be expressed by 20000x11 matrix. I do not want to import all of these data. How can I plot graph of the column 1 & column 4?
asked by Gokce https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1297 21 votes
answered by user1066 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=106 24 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=42359
Following is the equation: Need to solve for integer values of x,y when a,b lies between -1000 and 1000. Problem is to find the number of integer values of pair (x,y) that satisfy it.
asked by Sahil Sareen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12396 2 votes
answered by bill s https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1783 4 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=240468
I would like to know a more idiomatic way to subtract a function from a list of pairs than
this: Table[point-{0,fitFunction[point[[1]]]}, {point,data}]
I use this ...
asked by Diffycue https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46327 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=240422
My question is about simplifying tensor expressions. If I have \((a+b)\otimes (c+d)\) The function TensorExpand gives \(a\otimes c + a\otimes d + b\otimes c + b\otimes \) ...
asked by Physor https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=74507 2 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=240457
I am trying to make 2 log log plots. One with each equation, a and g. I don’t know why, but the plot is not showing up. My notebook is in the link below. https://imgur.com/a/sXQX0YS
What am I doing ...
asked by QuaffyWaffles https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=77475 1 vote
answered by Bob Hanlon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9362 0 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239914
Working with students in a pre-calculus class, an application of the sine law. They are working on a question that has them create a Golden Triangle (A golden triangle is an isosceles triangle in ...
asked by Tom De Vries https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=721 14 votes
answered by J. M.’s ennui https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=50 14 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239960
I try to make a dark stylesheet based on the ReverseColor theme. However, dataset headers are barely readable.
This question is related to others such as Question ...
asked by Vly https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=47700 9 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 8 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239946
For example: PolarPlot[{1, 1 + 1/10 Sin[10 t]}, {t, 0, 2 Pi}]
how to fill color in the space between 2 functions?
asked by DORA https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=74396 8 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 11 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239874
I use by hand to get this result \[\sqrt {48+5 \sqrt {3}+\sqrt {27+4\sqrt {3}+\sqrt {12+3 \sqrt {3}+\sqrt {4+2\sqrt {3}}}}}=1+4 \sqrt {3}\]
asked by minhthien_2016 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5320 7 votes
answered by yarchik https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9469 6 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=240123
Suppose I have a matrix ’mat’ as
mat = Table[Subscript[m, i, j], {i, 5}, {j, 5}]; mat // MatrixForm
I want to extract the first column (or any row) as
asked by PoreyS https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=54258 6 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 6 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=240149
When I read Wolfram’s post about the new features in MMA 12.2 I was intrigued by
RemoteBatchSubmit[]. He wrote:
I have only ever used MMA from my laptop, and never used any other cloud computing or ...
asked by TumbiSapichu https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=53229 6 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=240090
I am trying to solve the following heat equation problem on the square [0,1]x[0,1]. \begin{equation*} \begin{gathered} u_t = u_{xx} + u_{yy} + f(x,y,t), \qquad u(x,y,0) = 0, \qquad u=0 \text{ on ...
asked by kroner https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=77278 6 votes
answered by Nasser https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=70 7 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=143691
Deep convolutional neural networks are very good at computer vision related tasks. Optical Character Recognition (OCR) is one important branch of computer vision. In fact, the convolution neural ...
asked by xslittlegrass https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1364 88 votes
answered by xslittlegrass https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1364 98 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=3345
How to effectively create a polygon that looks like a realistic inkblot? So far, I could come up with this (borrowing from Ed Pegg Jr.’s Rorschach demonstration):
asked by István Zachar https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=89 86 votes
answered by Sjoerd C. de Vries https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=57 51 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=2456
Struggling often with Trigonometry I would like to have some code to generate this Unit Circle Trigonometry. Would be of great help when I need to transform some data :
asked by 500 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=172 18 votes
answered by Mark McClure https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=36 32 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=1542
I want to draw some basic surfaces, export them to PDF and include them in a LaTeX file. I create a simple 3D graphics object, for instance with
asked by Matthew Leingang https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=395 109 votes
answered by Heike https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46 88 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=109982
Here is a start.
MapIndexed[Text[Reverse[First[RealDigits[Pi,10,252]]][[Tr@#2]],#]&, Table[{t Cos[t],t Sin[t]},{t,0,16Pi,0.2}]]//Graphics
asked by matrix89 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5379 57 votes
answered by Martin Ender https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=2305 73 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=17704
Wolfram|Alpha has a whole collection of parametric curves that create images of famous
people. To see them, enter WolframAlpha["person curve"] into a Mathematica
...
asked by Simon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34 85 votes
answered by Vitaliy Kaurov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=13 45 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=1987
I would like to display an electromagnetic (EM) wave. I have written code that works, but it does not "shade" the area between the graph and the axes. Both the ...
asked by Rainforest Frog https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=202 22 votes
answered by J. M.’s ennui https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=50 16 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=240016
I have a list in the following form: list = {{a,1,3},{b,1,3},{c,1,3}}
Now I want to apply this list as parameters for the Sum function so that I end up with the ...
asked by Hell stormer https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=77333 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=240056
Trying to run some wolframscript code from a server, is it possible to set ServiceConnect credentials in the environmental variables for example?
asked by Tim https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=416 3 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239861
I have a system of differential equations, given by
asked by No name https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=69573 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239480
Using Chicago as an example; According to the current rules for applying daylight saving
time, at 02:00:00 on the first Sunday of November, clocks in Chicago go back 1 hour (from
Central Daylight Time ...
asked by RobertNathaniel https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=60404 24 votes
answered by Patrick Stevens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=30771 22 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239455
I have the following dataset:
asked by Whelp https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1287 10 votes
answered by WReach https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=142 13 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239609
This plot has 40 curves on the same graph which makes it hard to see. I need to plot them on one graph. So I have an idea to plot to make it easier to see which one is larger or smaller in each range....
asked by anhnha https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=18805 9 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 21 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239659
Consider a named BlankSequence x__. How can I access the n-th element? Is {x}[[n]] the only ...
asked by Money Oriented Programmer https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=42141 8 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 10 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239512
From Carl Woll’s answer here, I have this code for pulling the von Neumann neighbors:
asked by TubularHell https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=76599 8 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 6 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239518
Numpy has a newaxis object that allows you to insert a new dimension of length 1 into an array. So after ...
asked by Dan Piponi https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=13642 8 votes
answered by swish https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=2490 8 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239728
Consider
Plot[Im[(1 + (-1)^(2/3)*x)/((-1)^(2/3) + x)], {x, 0, 1}]
At least in Mma 11 it gives the following picture: Meanwhile,
asked by Roma Lee https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=57495 7 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=16881
Well, the title is self-explanatory. What sorts of snowfall can we generate using Mathematica? There are two options I suggest to consider:
1) Continuous GIF animations with smallest possible number ...
asked by faleichik https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=219 40 votes
answered by Simon Woods https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=862 54 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=3506
I am wondering what is the correct function in Mathematica to plot the true impulse function, better known as the DiracDelta[] function. When using this inside of a ...
asked by night owl https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=116 17 votes
answered by Heike https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46 19 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=7142
When it comes to visual analysis, large datasets or data with intricate internal details often makes plotting in 2D useless, as the outcome is either just a fraction of the full dataset, or no details ...
asked by István Zachar https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=89 137 votes
answered by IstvánZacharhttps://mathematica.stackexchange.com/landing/r/digest?cta=user&id=89 155 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=8586
I am trying to use the Export command to convert a list of plots into a *.gif file,
and the command runs and executes well, but I can’t find the file! Where is it
...
asked by Patrick Da Silva https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1785 37 votes
answered by Vitaliy Kaurov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=13 51 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=233050
I found this image on the Internet and it is very beautiful. How can I reproduce it? The ideal would be to be able to control the colors of the outside as well as the center.
asked by Susana https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=37778 14 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 35 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=19669
Some time ago I asked myself: with all these great graphics and interactive capabilities of Mathematica, what kinds of 3D games can be implemented in it? And the answer which came to mind is ...
asked by faleichik https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=219 167 votes
answered by faleichikhttps://mathematica.stackexchange.com/landing/r/digest?cta=user&id=219 241 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=18082
testData = Table[N@Sin[500 x], {x, 0, 100}]; ListLinePlot[Abs[Fourier[testData]], PlotRange -> Full]
Gives me Which I do not expect because the Fourier ...
asked by C. E. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=731 14 votes
answered by KennyColnago https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=3246 16 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239754
Like in the table of transforms https://en.wikipedia.org/wiki/Fourier_transform#Distributions,_one-dimensional the FT (Fourier transform) of \(\delta \) is 1 and the FT of 1 is \(\delta \), but in polar ...
asked by user740332 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=76926 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239664
How can I have Mathematica represent the product of two different bases and exponents as a single power (where possible)? For example, see the product below can be expressed below:
asked by Steve237 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=69429 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239796
I obtained the data for the real and imaginary parts of a complex function \(A(x,t)=A_r(x,t)+i A_i(x,t)\) from NDSolve, both are functions of time \(t\) and space \(x\). ...
asked by Enter https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=19178 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239250
Version 12.2 brought us Confirm and Enclose. What’s the point? Is it just that it’s a slightly more convenient syntax than ...
asked by Patrick Stevens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=30771 13 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239072
I am currently changing a notebook into a wolframscript for a "production" environment, where I plan to pack the script as a standard CLI tool. However I do not know how to implement such an ...
asked by Gravifer https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72025 10 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238999
What is the default method used by FindMinimum with constraints? The documentation says:
"Currently, the only method available for constrained optimization is ...
asked by VarunM https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=69094 9 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 8 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239220
MeshRefinementFunction works well to refine elements in a defined spatial domain (here \(x>0\)):
asked by Oscillon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=13605 8 votes
answered by Tim Laska https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=61809 8 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239255
I had a more general question about a similar problem more than two years ago, Getting rid of discontinuities in plots caused by square roots, logarithms, ‘Arg‘, etc, which got lots of interesting ...
asked by https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=35000 8 votes
answered by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999 11 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239294
My goal is to generate diagrams like this.
But I would like to be able to rotate the globe about the North Pole, so that I can represent different times of the day. When I use ImageRotate, the ...
asked by David Elm https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=44449 7 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 11 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239303
I found DelaunayMesh works fine for 2D. For example,
asked by matheorem https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4742 7 votes
answered by user21 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=18437 7 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=67521
I’m solving equations with many Cosines and Sines. And I want to convert all the Sines to
Cosines using trigonometric formulas such as cos(x)=sin(x+pi/2). How can I do
this?
asked by YongCheol Kwon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=23041 4 votes
answered by Sjoerd C. de Vries https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=57 2 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=3306
I have a complex expression with real positive variables only.
Mathematica Input Style:
asked by max https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=796 34 votes
answered by nixeagle https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=814 53 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=6669
I understand Mathematica can’t assign the results of a Solve to the unknowns because there may be more than 1 solution. How can I assign the 4 values of following result to variables?
asked by stevenvh https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1450 56 votes
answered by Artes https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=184 34 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=2116
According to the Mathematica help: Round rounds numbers of the form x.5 toward the nearest even integer. For example:
Round[{0.5, 1.5, 2.5, 3.5, 4.5}]
gives
asked by wxffles https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=427 83 votes
answered by Per Alexandersson https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=488 51 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=8586
I am trying to use the Export command to convert a list of plots into a *.gif file,
and the command runs and executes well, but I can’t find the file! Where is it
...
asked by Patrick Da Silva https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1785 37 votes
answered by Vitaliy Kaurov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=13 51 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=3433
I am using this code to plot a graph, and I am trying to make the font of the legend bigger.
asked by Julia https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=525 20 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 25 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=85139
In Wolfram Mathematica the function Fourier has the following declaration
Fourier[list]
And after a list is given to the ...
asked by user253956 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=29958 27 votes
answered by Hugh https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12558 61 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239047
For the function fun[a_, b_, x_, y_] = Sin[a x] Cos[b y] (a x + b y);
corresponding to \(x\) and \(y\), I need a RegionPlot showing the maximum of function
\(fun[a, b, x]\)
asked by Mike https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=76947 1 vote
answered by Bob Hanlon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9362 0 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239107
I have the following code in mathematica which runs perfectly for a small matrix of 21 x 12 matrix. But I really want to test it for a large system. My data is 35844 x 21000 elements, totaling 1.5 GB. ...
asked by shixx597_Min https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=59772 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=239335
When I evaluate
asked by user824530 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=75136 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238880
I have 2 associations similar to these simplified ones:
asked by Coolwater https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9754 16 votes
answered by Leonid Shifrin https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=81 16 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238735
As a hobby, I am trying to use Mathematica and Wolfram Language as a tool for making generative artworks. Generative art techniques may require drawing millions of points, lines, or curves. For ...
asked by mikabozu https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=74721 15 votes
answered by George Varnavides https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=41179 21 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238849
I am trying to make a 3D contour plot that looks like a grid of cylinders to represent the Fermi surface of a metal, like below:
I have no problem generating something that kind of looks like it.
asked by Nick https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=76998 10 votes
answered by cvgmt https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72111 13 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238742
Here’s Giorgio de Chirico’s painting, Ariadne:
The Surrealist artist deliberately broke the rules of geometric perspective, giving the work his characteristic sense of mystery and unease. What would ...
asked by David G. Stork https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9735 10 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 2 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238591
frames=Table[Plot[Sin[x(1+a x)],{x,0,6}],{a,0,2,0.2}]; Export["test.gif",frames]
The above code runs in version 9.0 to get a infinite looping GIF ...
asked by expression https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=7339 10 votes
answered by Kuba https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5478 7 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238687
Is it possible to identify a color (say grey in a 3 color Black, Gray and White image) and ...
asked by skyfire https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=70181 9 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 10 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238705
DiscretizeRegion doesn’t seem to run the supplied MeshRefinementFunction when meshing a 2D surface in 3D. For example:
asked by alessandro https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=42454 7 votes
answered by Tim Laska https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=61809 3 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=11982
I have some code that looks like
Table[ a = 1; b = {2, 3} c = i;, {i, 2} ] which gives an error: Set::write: Tag Times in c {2,3} is Protected....
asked by dearN https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=204 29 votes
answered by Mr.Wizard https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=121 35 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=4444
I need to create a plot for export and inclusion in a report. Is there a better way to label curves than PlotLegends? From what I’ve read and my personal experience,...
asked by Tianxiang Xiong https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1041 63 votes
answered by Artes https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=184 47 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=3561
In the plot below I would like to add two vertical lines at \(x = \frac {\pi }{15} \pm \frac {1}{20}\). How can I do that?
asked by sjdh https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=515 61 votes
answered by Ajasja https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=745 82 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=66969
Here is a start. I’m looking for a nice way to draw it.
asked by matrix89 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5379 24 votes
answered by Bob Hanlon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9362 21 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=15023
The basic multivariable Taylor expansion formula around a point is as follows:
asked by matheorem https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4742 63 votes
answered by Jens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=245 71 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=57763
When I solve the aforementioned equation for \(W\) or \(A\) on Mathematica I get a long and ugly equation in return, namely one of the solutions for \(W\) is: (attempt to read at your own health)
asked by J.D’Almbert https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=19257 8 votes
answered by Alexei Boulbitch https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=788 15 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=194384
In version 2.0 of Mathematica there was a command, ReadProgrammerIntentions[ ] which allowed it rapidly compose code that could solve problems simple to complex, ...
asked by MikeY https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=47314 52 votes
answered by MarcoB https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=27951 38 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238887
The aim of my work is to find a value for the complex constant \(\omega \). In order to do that I solve the below system of differential equations with a manual shooting method: I first solve the system ...
asked by mattiav27 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=8822 3 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238596
I’ve been trying to solve this initial value problem using DSolve[]:
\[ \frac {dy}{dt}=1+t\space \sin (t\space y),\quad y(0)=0, \quad t=[0,2] \]
asked by Walser https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=60465 1 vote
answered by Mariusz Iwaniuk https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=26828 0 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238719
I have a 3D volumetric data (for example, \(64\times 64\times 64\), at each point there is a value) read in from a file and I want to use ListDensityPlot3D to ...
asked by Dennis https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=69969 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238461
I have a logic puzzle I want to convert to Mathematica to solve: Person A states, "Exactly two people are truth-tellers," Person B states, "I and Person C are truth-tellers."
asked by Peter Burbery https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=76873 16 votes
answered by SneezeFor16Min https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=69875 19 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238293
I want to create the list ix={1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4} I can do
asked by geom https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=68502 11 votes
answered by Simon Woods https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=862 20 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238321
I encountered such expressions in Mathematica
MeijerG[{{ }, {1, c + 1/2}}, {{0, c, c, c}, { }}, 1] + MeijerG[{{1}, {c + 1/2}}, {{c, c, c}, {0}}, 1]
which in ...
asked by Jing https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=76801 8 votes
answered by Chromo Runge https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=68326 12 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238440
I am teaching the idea of infinite geometric series to high school students, looking for hints to create the diagram below using Mathematica. (I don’t need the labels). I can do it manually, but ...
asked by Tom De Vries https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=721 7 votes
answered by J. M.’s ennui https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=50 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238501
There is a curious example in Posamentier’s book "Magnificent Mistakes in Mathematics" (p. 72): \((7+3/7)*(4-3/13)= 7*4=28\), where cancelling the fractions leads to correct result. If we ...
asked by Darko G https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=60625 7 votes
answered by Bob Hanlon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9362 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238335
In the following the full context form of Test is not required as "Aaa`" is added to
...
asked by Ronald Monson https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=2249 6 votes
answered by Ronald Monson https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=2249 2 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238268
...
asked by Tomi https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=36939 6 votes
answered by Anton Antonov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34008 4 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=14035
Is it possible to export the output expressions from Mathematica computations (e.g., equations) in valid MATLAB syntax?
asked by Seyhmus Güngören https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4256 43 votes
answered by rm -rf https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5 48 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=59132
I tried to ask Mathematica to imitate Andy Warhol, let it convert a Marilyn Monroe’s portrait so that it looks like Warhol’s world famous pop-art painting. However, the result shown below is far from ...
asked by Putterboy https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=16069 52 votes
answered by Dr. belisarius https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=193 67 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=20100
I’m new to Mathematica, and I’m finding it difficult to plot an ellipse. I tried using
Plot[(x/5)^2 + (y/3)^2 == 1, {x, -5, 5}, {y, -3, 3}]
but I’m getting ...
asked by Sriram https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=6075 18 votes
answered by Jens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=245 30 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=222184
I am interested in benchmarking numerical integration methods and am trying to develop a wider set of difficult multivariate examples. For my particular methods, I only want to look at non-negative-...
asked by ben18785 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=19278 6 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=37266
Today, I found the Euler Project. Problem #2 is
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be:
asked by xyz https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9627 34 votes
answered by rcollyer https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=52 46 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=32293
I’m trying to get the eigenvalues of a one dimensional time-independent Schrödinger equation,
\(-\frac {h^2}{2m_0}\frac {d^2\psi }{dx^2}+U(x)~\psi =Ei~\psi \)
where U(x) is some potential and Ei is the ...
asked by xslittlegrass https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1364 49 votes
answered by Jens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=245 46 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=16108
I am not sure how to find out what all is included as curated data. For example, are the individual images of each of the 52 cards in a standard deck of playing cards included?
If not, is there a way ...
asked by JohnD https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1629 25 votes
answered by rm -rf https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5 23 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238481
Starting from a data set like the one used in this post: Importing and visualizing 4D data DATA It can be viewed using ListDensityPlot3D, as follows:
asked by Ivan Y. Forero https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=76882 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238231
Consider the partial differential equation
asked by beginners https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=76785 2 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238500
With this code we can make 2D FEM simulation of transonic flow around airfoil NACA 0012 at Mach number of 0.925. It takes about 5 minutes on the XENIA-15 laptop of 32 GB memory with processor Intel ...
asked by Alex Trounev https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=58388 4 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=237884
The closest pair of points problem is a common computational geometry problem: given n points, find a pair of points with the smallest distance between them. A naive algorithm of finding distances ...
asked by Aaron T. Becker https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=76690 17 votes
answered by Carl Woll https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=45431 11 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=237871
f[x] ^= 1; ValueQ[g[x]]
returns True in Mathematica 12.2. Is it a bug?
asked by Roma Lee https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=57495 15 votes
answered by MarcoB https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=27951 17 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=237994
12.0.0 for Microsoft Windows (64-bit) (April 6, 2019) How do I get my graphic to look the same in PDF as it does in a Notebook? This is what the graphic looks like in the FrontEnd:
This is how the ...
asked by Steven Thomas Hatton https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=44139 10 votes
answered by MelaGo https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=63360 13 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=237903
Recently I learned that in Mathematica it is possible to create chemical structures here: Chemical formulas with Mathematica I am having a problem with a structure called "Sucrose benzoate"
asked by John https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72940 9 votes
answered by Jason B. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9490 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238163
I have Echo’s buried in code all over my notebook, I’d like a flag to turn them all on or off globally.
Sure Unprotect[Echo];Echo=Identity would disable them, but ...
asked by M.R. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=403 6 votes
answered by Carl Woll https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=45431 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238018
I was surprised to see that, in the results of CompilePrint for a function made with Compile, calls to ...
asked by Sean https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=76328 6 votes
answered by Sean https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=76328 2 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=237914
I have a list of pixels centers, for example :
asked by yfs https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=71775 6 votes
answered by C. E. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=731 7 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=5790
If we have two vectors, \(a\) and \(b\), how can I make Jacobian matrix automatically in Mathematica?
$$ a=\left( \begin{array}{c} x_1^3+2x_2^2 \\ 3x_1^4+7x_2 \end{array} \right);b=\left( \begin{array}{...
asked by George Mills https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1012 39 votes
answered by Jens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=245 52 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=3458
Trying to plot with complex quantities seems not to work properly in what I want to accomplish. I would like to know if there is a general rule/way of plotting when you have complex counterparts in ...
asked by night owl https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=116 42 votes
answered by Artes https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=184 29 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=26268
This week, the market people from my work wanted to put QR codes in shopping cart handles, but when they tested it, the QR code did not work. I noted that the cylindrical curvature (even small) ...
asked by Murta https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=2266 196 votes
answered by halirutan https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=187 192 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=1987
I would like to display an electromagnetic (EM) wave. I have written code that works, but it does not "shade" the area between the graph and the axes. Both the ...
asked by Rainforest Frog https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=202 22 votes
answered by J. M.’s ennui https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=50 16 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=16108
I am not sure how to find out what all is included as curated data. For example, are the individual images of each of the 52 cards in a standard deck of playing cards included?
If not, is there a way ...
asked by JohnD https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1629 25 votes
answered by rm -rf https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5 23 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=11868
Why I get the error below with this code:
asked by Aurelius https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1669 10 votes
answered by Mark McClure https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=36 13 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=86058
Python’s family of packages for scientific computing has matured rapidly. I can pretty much replicate all of Mathematica’s functionalities, but with production level and open-source code using the ...
asked by M.R. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=403 49 votes
answered by Jens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=245 36 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=237920
For the following equations;
asked by confused https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=74890 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=237834
Since v12 FindFit[] now supports regularisation, such as Tikhonov regularization. Do there exist statistics to help guide the choice of the hyper-parameter
asked by Tomi https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=36939 2 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=238106
Expand floods all my 64GB RAM in MMA 12.1 (Windows). Therefore I cannot run the code. Somebody with >64GB RAM could give the result. A memory saving alternative ...
asked by granular bastard https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=69288 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=237547
I have the following simple expression Exp[(Log[1 + x]^2 - Log[x]^2)/Log[1 + 1/x]] - x^2
that can be shown to simplify to \(x\)
asked by user16320 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=16320 13 votes
answered by yarchik https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9469 5 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=237692
The vertex A,B of the square ABCD with side length \(\sqrt {2}\) is on the circle with radius \(\sqrt {2}\), vertex C,D is inside the circle, roll the square ABCD along the inside of the circle ...
asked by expression https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=7339 10 votes
answered by David G. Stork https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9735 0 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=237533
I’m lazy writing equations in Latex so I want a code to translate handwritten equations. This question is related to an old experiment I’m reviewing during vacations, here. I’m trying to use ...
asked by Gluoncito https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=8696 10 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=237458
I am using a function with a lot of variables. There are 9 and sometimes more of them. In this case, it is difficult to memorize, which one stays on the, say, fourth position, and which one - on the ...
asked by Alexei Boulbitch https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=788 8 votes
answered by CA Trevillian https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=63039 2 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=237681
How to make this faster? I want to remove elements that satisfy the condition below but it’s way too slow.
asked by anhnha https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=18805 8 votes
answered by WReach https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=142 10 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=237785
I’m using Mathematica 12.1.1.0. When I enter
asked by Jason Gross https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12258 7 votes
answered by Bob Hanlon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9362 3 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=237678
I am using M12.0.0.0 on Ubuntu and I have these two plots:
asked by valar morghulis https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=26937 6 votes
answered by Rolf Mertig https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=29 5 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=85139
In Wolfram Mathematica the function Fourierhas the following declaration
Fourier[list]
And after a list is given to the ...
asked by user253956 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=29958 27 votes
answered by Hugh https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12558 61 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=8841
I’d like to plot the graph of the direction field for a differential equation, to get a feel for it. I’m a novice, right now, when it comes to plotting in Mathematica, so I’m hoping that someone can ...
asked by Matt Groff https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1735 31 votes
answered by Peter Breitfeld https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=307 25 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=100072
I’m 13 years old and in 7th grade. I’m currently in Algebra 1, and I have fallen in love with both math and programming.
When I came upon Mathematica, it was awesome. My two favorite things fused ...
asked by Nico A https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=35769 81 votes
answered by Pillsy https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=531 55 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=59132
I tried to ask Mathematica to imitate Andy Warhol, let it convert a Marilyn Monroe’s portrait so that it looks like Warhol’s world famous pop-art painting. However, the result shown below is far from ...
asked by Putterboy https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=16069 52 votes
answered by Dr. belisarius https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=193 67 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=573
I would like to list all possible times in a 12-hour period, where the hour hand overlaps the minute hand completely. This is really a question about three distinct things - to be done in Mathematica ...
asked by Steve D https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=191 15 votes
answered by Verbeia https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=8 21 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=67521
I’m solving equations with many Cosines and Sines. And I want to convert all the Sines to Cosines using trigonometric formulas such as cos(x)=sin(x+pi/2). How can I do this?
asked by YongCheol Kwon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=23041 4 votes
answered by Sjoerd C. de Vries https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=57 2 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=18598
For my Calc III class, I need to find \(T(t), N(t)\), and \(B(t)\) for \(t=1, 2\), and \(-1\), given \(r(t)=\{t,t^2,t^3\}\).
I’ve got Mathematica, but I’ve never used it before and I’m not sure how to coerce ...
asked by a98 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5605 30 votes
answered by Artes https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=184 44 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=237480
I wonder if there is a function in Mathematica (or code) that can help obtaining inverse 2D
Laplace transform of a function, f(s1,s2) which is the 2D Laplace transform of a function
F(t1,t2) in (s1,s2)...
asked by Refaat Galal https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=76583 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=237541
I am an aspiring data scientist who’s working on a passion project, namely to assign danger-level scores to police departments in the United States. One specific metric I’m developing results from ...
asked by uselesslemma https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72297 3 votes
answered by George Varnavides https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=41179 0 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=237484
A classic problem in computer vision is computing correspondences between keypoints in two similar images, despite modest variations in size, lightness, orientation, etc., of the images, as ...
asked by David G. Stork https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9735 6 votes