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Mathematica : Recent Questions and Answers (Page 188)

Find answers to your questions about Mathematica or help others by answering their Mathematica questions.

How to change DataRange independently for various lists in same plot

I am plotting three lists of different size on the same plot. I want the plot to start from zero rather than 1 on the x-axis. In the past, I...

Asked on 01/19/2021 by Rossana

2 answer

Circle Packing in Cone Texture

This is a cone with texture generated by PatternFilling in plane. The problem this texture mapping is not conformal. So my question is how to generated a pattern image which...

Asked on 01/19/2021

2 answer

Update Matrix entry from Java

I found the following example online (which works fine) for sending commands from Java:ml.putFunction("EvaluatePacket", 1);ml.putFunction("Plus", 2);ml.put(3);ml.put(3);ml.endPacket();I need to follow the same tactic to update through a loop, the items...

Asked on 01/19/2021 by Gouz

0 answer

How can I use Mathematica to solve the partial derivative of function of functions?

The implicit function $ z = z(x, y) $ is determined by the equation $ f(text{e}^z, 2z-x-y^2) = 0 $, and $ f $ has a continuous...

Asked on 01/19/2021

2 answer

Filling between more than two boundaries

Here is a simple example of what I am trying to do; fill the area described by the three inequalities: $$ y le 11 + x label{1}...

Asked on 01/18/2021 by mlegge

3 answer

Find intercept line and intercept point from data sets

If I have two set of data such as: data5 = {{-2.`, -0.007008009734230887`}, {-1.5228787452803376`, 0.03830991145135324`}, {-1.`, ...

Asked on 01/18/2021

2 answer

Extremely memory consuming Expand

Expand floods all my 64GB RAM in MMA 12.1 (Windows) just by sorting the powers of 16 variables. Somebody with >64GB RAM could run it. A memory saving alternative...

Asked on 01/18/2021

2 answer

Glowing weighted graph (network): vertices and edges

I am trying to find a way (desirably simple and performance/speed optimized for larger graphs) to do the following :Styling graph vertexes by glow-effect and its intensity depending on VertexWeightStyling...

Asked on 01/18/2021 by Vitaliy Kaurov

2 answer

Find eigen energies of time-independent Schrödinger equation

I'm trying to get the eigenvalues of a one dimensional time-independent Schrödinger equation, $-frac{h^2}{2m_0}frac{d^2psi}{dx^2}+U(x)~psi=Ei~psi$ where U(x) is some potential and Ei is the eigen energy. I'm trying to find the...

Asked on 01/18/2021 by xslittlegrass

5 answer

How to discretize a parametric polar surface ensuring the correct periodicity of the mesh

I am trying to discretize a polar surface using a combination of ParametricPlot3D and DiscretizeGraphics. Unfortunately, the mesh facets refuse to connect along the u=0, u=2Pi line. This is clearly...

Asked on 01/18/2021 by at At

3 answer

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