7.7 Tuesday, November 18, 2014
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Top new questions this week:
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[How to extract a list of available
Method-s]\url{http://mathematica.stackexchange.com/questions/65680/how-to-e
xtract-a-list-of-available-method-s}
The option Methodapplies for several functions, such as NDSolve,
FindRoot, NIntegrate and some others. It is difficult, however, to find
a list of Methods for a given function. By digging through ...
- asked by Alexei Boulbitch (16 votes), answered by Nasser (18 votes)
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[How to programmatically extract mathematical formulas from Word with
Mathematica
9?]\url{http://mathematica.stackexchange.com/questions/65666/how-to-program
matically-extract-mathematical-formulas-from-word-with-mathematica}
I have a bunch of(1000+) Microsoft Word document in .Docx format. How
can I programmatically extract the mathematical formulas from MS Word
using Mathematica 9?
This is what example looks like (or ...
- asked by Xiang Li (15 votes), answered by WolframFan (15 votes)
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[Why is TextString[-0.5] a positive
number?]\url{http://mathematica.stackexchange.com/questions/65600/why-is-te
xtstring-0-5-a-positive-number}
I want to format numbers in decimal notation and chose TextString for
this task. But today, when looking at the final result of my 3-weeks
measurement, the sign seemed odd. I traced it to the ...
- asked by Martin J.H. (14 votes), answered by Szabolcs (10 votes)
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[Quickly test if all element in list is the
same]\url{http://mathematica.stackexchange.com/questions/65782/quickly-test
-if-all-element-in-list-is-the-same}
I'm running a Monte Carlo simulation. At the end, I want to count how
many simulations return a list of same element.
My problem:
SimulationResult = (* n x m matrix of real numbers *)
c = ...
- asked by Zoff Dino (12 votes), answered by Michael E2 (9 votes)
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[Efficient way to compare animated images to tell if they are the
same]\url{http://mathematica.stackexchange.com/questions/65794/efficient-wa
y-to-compare-animated-images-to-tell-if-they-are-the-same}
I have a Student license for Mathematica, and felt like I wasn't making
full use of the wonderful toolkit that it is; so I looked into things
like its image processing capabilities. Now, I made and ...
- asked by Austin Burk (11 votes), answered by Pickett (7 votes)
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[A one line proof that one is zero using Mathematica
10]\url{http://mathematica.stackexchange.com/questions/65624/a-one-line-pro
of-that-one-is-zero-using-mathematica-10}
a = (Sqrt[2] + 1) (Sqrt[2] - 1) - 1;
{a/a, Simplify[a]/a, b/b == Simplify[b]/b}
{1, 0, True}
This one line "proof" that one equals zero is disturbing (and could
possibly lead to wrong results ...
- asked by Gregoire Nicollier (11 votes), answered by Szabolcs (22
votes)
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[Curve fitting by running through hundreds of models and return the one
with best
fit]\url{http://mathematica.stackexchange.com/questions/65757/curve-fitting
-by-running-through-hundreds-of-models-and-return-the-one-with-best}
In the past, I used to solve a lot of my regression analysis (curve
fitting) problems with a program called DataFit which runs on Windows.
It has hundreds of regression models which it runs through in ...
- asked by MathLind (9 votes), answered by kguler (17 votes)
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Greatest hits from previous weeks:
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[How to create a new "person
curve"?]\url{http://mathematica.stackexchange.com/questions/17704/how-to-cr
eate-a-new-person-curve}
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 notebook, or person curve into ...
- asked by Simon (47 votes), answered by Vitaliy Kaurov (20 votes)
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[Numerically solving Helmholtz equation in 2D for arbitrary
shapes]\url{http://mathematica.stackexchange.com/questions/56305/numericall
y-solving-helmholtz-equation-in-2d-for-arbitrary-shapes}
I would like to solve the Helmholtz equation with dirichlet boundary
conditions in 2 dimensions for an arbitrary shape. (for a qualitative
comparison of the eigenstates to periodic orbits in the ...
- asked by Julian S. (35 votes), answered by Mark McClure (30 votes)
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Can you answer these?
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[Find d'Alembertian in the output and convert into Einstein summation
convention
form]\url{http://mathematica.stackexchange.com/questions/65469/find-dalembe
rtian-in-the-output-and-convert-into-einstein-summation-convention}
I am trying to do field variations in Mathematica and would like some
nice formatting. My output is in the form
$ -\frac{1}{c^2}V^{(1,0,0,0)}[t,x,y,z] + ...
- asked by SlipStream (2 votes)
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[remote kernel through
SSH]\url{http://mathematica.stackexchange.com/questions/65953/remote-kernel
-through-ssh}
Is it possible to setup connection to remote kernels through ssh?
I'm able to SSH into the remote server(linux) and start a kernel in the
terminal, but it can't connect back to my local front end. I ...
- asked by xslittlegrass (3 votes)
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[Understanding polyharmonic
splines]\url{http://mathematica.stackexchange.com/questions/65763/understan
ding-polyharmonic-splines}
Raul Narain and J.M. gives implementation of the thin plate polyharmonic
splines in this post. Raul Narian's method is clear. J.M.'s is
convenient to reuse. But J.M. used too many ...
- asked by xibinke (1 vote)