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Mathematica : Recent Questions and Answers (Page 6)

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

Evaluate function at "good" points used by Plot in numerical problems

Plot function with option Mesh->All shows how mathematica evaluates function to make it most optimal for plotting. I'd like to evaluate some physical function in those points - in other...

Asked on 12/02/2021

2 answer

How to multiply the elements of each site of tensor products to each other while using symbolic representation?

If I have, say three sites in a symbolic operator which is of the form A = a⊗1⊗c and I want it to act on another operator B = a1⊗b⊗1...

Asked on 11/30/2021

1 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 11/30/2021

3 answer

Correcting error messages emitted by ListPlot

I have an assignment to use Module and in which I have to implement:The input of the program are a list of numbers and a list of stringsCheck whether every...

Asked on 11/28/2021

1 answer

Mathematica v 12.1.1.0 FrontEnd Autoformatting Bug (?)

I'm at my wit's end. I'm using MMA version 12.1.1.0 (for Mac), and the front end is behaving bizarrely.When I've chosen Subsection style, there are times when I'm writing...

Asked on 11/28/2021

2 answer

How to solve a nonlinear second order ODE

I want to solve this equationy''[x] + a + b y[x] + c y[x]^2 == 0, y[∞] == 0, y'[∞] == 0 where a, b and c are constants....

Asked on 11/28/2021

2 answer

Derivation of Interpolation function

I have a problem to derive an interpolation function.I am quite new to mathematica, so I suspect I miss something. I have a list of values of 1000 values...

Asked on 11/28/2021

0 answer

Finding 36 integer solutions to a set of 14 equations using various boundary conditions

What is good way to solve this system of equations? I have it run now for quite some time and it does not spit out a solution.n = 857097;Solve[{n...

Asked on 11/25/2021

2 answer

Show Graphics on top of ParametricPlot3D

I want to show a curved trajectory in 3D with a small Sphere/Point denoting a specific point. Therefore, the Sphere/Point needs to be always visualised "in front" of the curve;...

Asked on 11/25/2021

1 answer

How to write to a VARBINARY field using a stored procedure

Is it possible to write a binary file (e.g. an EMF) to a VARBINARY field using a stored procedure? Creating an example EMFcircle = Graphics[{Blue, Circle[{2, 0}]}, ImageSize ->...

Asked on 11/25/2021

0 answer

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