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Has anybody used tensors in Mathematica? How to properly work with them?I find Mathematica not very friendly in this field, as I am defining my own functions for lowering...
Asked on 02/25/2021
2 answerIf I have assigned values to a, b and c:a=7;b=5;c=6;and I select the expression:(a+b)/cand I press cmd + enter in the Mathematica frontend, the expression will be replaced...
Asked on 02/25/2021 by Tyilo
5 answerGiven the function fun1[a, b, x] , I want minimize this function over $a$ and $b$ such that $0le a le 2pi$ and $0le ble 2pi$,...
Asked on 02/25/2021
1 answerI have developed a Machine Learning algorithm that uses 4 chemical descriptors to calculate a chosen chemical property. I would like to create an interactive app on Mathematica (using the...
Asked on 02/25/2021 by Nawn
1 answerMathematica by default puts state space model realizations in controllable companion form, as seen here:tfsys = TransferFunctionModel[(b1 s^2 + b2 s + b3)/(s^3 + a1 s^2 + ...
Asked on 02/24/2021 by user74620
1 answerI am new in learning Turing patterns. Is there any sample code available to generate such patterns in ecology model (Lotka–Volterra model)? ...
Asked on 02/24/2021 by Sankha
2 answerI'm generating a random texture using the code above, by blurring random tiles:randomTiles = Table[{RandomReal[], RandomReal[], RandomInteger[{1, 2}]}, {n, 1, 1500}];Sharpen[Blur[ListDensityPlot[ ...
Asked on 02/24/2021
1 answerI am using ContourPlot to plot implicit equations. Plotting separate implicit equations seems to work fine, however I can't get ContourPlot to plot a piecewise function that returns implicit equations....
Asked on 02/24/2021
2 answerThis first code block is just to create the functions I'm considering. Actual problem follows.f[t_, ts_, τ1_, τ2_] := Piecewise[{{Exp[-τ1/(t - ts) - (t - ts)/τ2]/(2 Sqrt[τ1 τ2] BesselK[1,...
Asked on 02/24/2021 by corey979
2 answerLet us considerClearAll["Global`*"];Integrate[DiracDelta[1 - x^2 - y^2], {x, -1, 1}, {y, -1, 1}](*[Pi]/2*)Let us verify it, making use of approximations of delta-distribution in weak topology (more exactly, making use...
Asked on 02/24/2021
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