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I understand why functions like ElementData or CountryData need to download up-to-date data when first launched. However, when trying to use CUDA for the first time in Mathematica, I ran:...
Asked on 03/26/2021 by F'x
1 answerI have to write a function that takes two arguments: a list list and an integer n. The function should return another list called result with sublists of length n....
Asked on 03/26/2021 by noob3000
2 answerI would like to execute the mathematical operation of the direct sum of matrices in the case where the matrices are not appended one after the other along the diagonal,...
Asked on 03/26/2021
1 answerMy ProblemSome people gave me a JSON file, which is exported from a camera. He asked me to parse the JSON file, and extract the value to each key. However,...
Asked on 03/25/2021
1 answerI have a $4times 4$ matrix (symbolic). It has a variable, say jj, which should be $1$ for diagonal and $0$ for non-diagonal entries. I need to...
Asked on 03/25/2021 by Rafi
3 answerI've been trying to solve a system of 3 coupled 2nd order ODEs, for a real variable $x$, $0geq xleq infty$. The equations are the following:begin{align}...
Asked on 03/25/2021 by MLPhysics
1 answerI'm working with the logistic map $f(x,lambda)=4lambda x(1-x)$, and iterations of the logistic map $f^{(2^n)}(x,lambda)=f^{(2^{n-1})}(f^{(2^{n-1})}(x,lambda),lambda)$. There are some special values $lambda_n$ which have a $2^n$ cycle,...
Asked on 03/25/2021
1 answerI have a binary image of a line, like this one: What I'd like to do is to dilate the...
Asked on 03/25/2021 by TumbiSapichu
1 answerI have some complex vectors that I would like to normalize and further manipulate. For example, one is this: ${qquad rm vec}=(-frac{-a + b + sqrt{a^2 - 2 a...
Asked on 03/25/2021
1 answerIf there are lists with different lengths of sublists like below,list1 = {{{1, 2, 3, 4}, {11, 12, 13, 14}, {22, 23, 24, 25}}, {{-1, -2, -3, -4}, {-11,-12,-13,...
Asked on 03/25/2021 by nancy
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