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Mathematica : Recent Questions and Answers (Page 220)

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

Morphing between images

With Mathematica it is possible to continuously morph between images of different faces. But I was wondering if it is also possible to morph between images of any kind? An...

Asked on 12/08/2020 by holistic

0 answer

Difficult Numerical Integral with special functions

ContextI am trying to calculate some transport coefficients for a heat equation in confinement. The Boundaries are in the $x$ direction, and $y$ represents the parallel directions. This...

Asked on 12/08/2020 by SaMaSo

2 answer

Adding a curve on DensityPlot: Epilog -> First[ContourPlot[...]] why the first?

I would like to understand why I have to add First around ContourPlot in the following example to have it working:DensityPlot[LogTQ+LogA,{LogTQ,0,4},{LogA,0,4},PlotLegends->BarLegend[Automatic],ColorFunction->"SunsetColors",Epilog->First[ContourPlot[LogA==(LogTQ)^2,{LogTQ,0,4},{LogA,0,4}]]]I looked at the documentation of ContourPlot which says:...

Asked on 12/08/2020

1 answer

Plotting symbolic functions

I want to plot the following Gaussian function Is there a way that I can do this symbolically without giving...

Asked on 12/08/2020 by Jasmine

1 answer

Take very long time to solve the nonlinear 1-D PDE with NDSolve

I am trying to solve the nonlinear PDE, recently. The formulas are given as with the conditions ...

Asked on 12/08/2020 by LingLong

1 answer

Finding root of symbolic function

I'm trying to find a root of the following equation$$theta^frac{t}{s}-theta-sqrt{1-p},$$where $0<tleq1leq s$ and $0<p<1$.I've tried FindRoot and Reduce, but somehow they don't process the...

Asked on 12/07/2020 by Greenteamaniac

1 answer

Defining a function that detects square matrices

Define a function g, which receives a list and returns True if that list represents a square array, and False otherwise.I only can use Table, Map, and Apply. Examples:g[{{1,2,3},{4,5,6},{7,8,9}}]...

Asked on 12/07/2020 by Paulo Rodrigues

1 answer

To write mathematica code for summation using a given data

I am given a set like some terms from the partition of $20$: ${{17, 3}, {13, 7}, {11, 3, 3, 3}, {7, 7, 3, 3}, {7, 5, 5,...

Asked on 12/07/2020 by user75105

2 answer

Colorfunction in DensityPlot3D not acting as expect

Im trying to set the color function of a DensityPlot3D output so that it colors the positive values one color and colors the negative values a different color. However, I...

Asked on 12/07/2020 by shanedrum

1 answer

ToCTensor does not respect symmetry of tensor

If I try to convert a tensor object to a CTensorDefTensor[F[i, j], M, Antisymmetric[{i, j}]];Fc = ToCTensor[F, {ch, ch}]The output isCTensor[{{F[{1, ch}, {1, ch}] , F[{1, ch}, {2,...

Asked on 12/07/2020 by Takoda

0 answer

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