How to find integer solutions?
1 Plot, 2 Scale/Axis
What is the equation to plot a vertical line?
How can I create an empty JSON object?
Find eigen energies of time-independent Schrödinger equation
How can I save both the plot and the legend together?
How to graph a sphere with cartesian equations?
How to find integer solutions? 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. [equation-solving]
asked by Sahil Sareen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12396 Score
of 2 answered by bill s https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1783
Score of 4 1 Plot, 2 Scale/Axis 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 ... [plotting] [customization]
asked by 500 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=172 Score of 158 answered by ArgentoSapiens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=92
Score of 160 What is the equation to plot a vertical line? https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=59476
Please help. Trying to find area between three curves, e^-x, x = 2, y = 1 . Can't find out how to plot x = 2 . Don't want to use <... [plotting] [calculus-and-analysis]
asked by Cory https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=19717 Score of 7 answered by Basheer Algohi https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=13548
Score of 13 How can I create an empty JSON object? https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=50727
For creating non-empty object, I use following syntax ExportString[{"key" -> "value"}, "JSON"] (*{"key" : "value"}*) But how can I create an empty object? ... [export] [conversion] [json-format]
asked by molekyla777 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=11981 Score
of 10 answered by jkuczm https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=14303
Score of 11 Find eigen energies of time-independent Schrödinger equation 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 ... [equation-solving] [physics] [parametric-functions]
asked by xslittlegrass https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1364
Score of 51 answered by Jens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=245
Score of 47 How can I save both the plot and the legend together? https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=35653
In this example, how can I put the legend inside the graph? Currently, when I save the graph, only the graph is saved, not the legend. ... [plotting] [legending]
asked by Mika Ike https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=6543 Score
of 45 answered by C. E. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=731
Score of 45 How to graph a sphere with cartesian equations? 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 ... [plotting]
asked by German https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=7145 Score of 9 answered by Dr. belisarius https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=193
Score of 15