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A very useful procedure to find the area of any irregular polygon is through the Gauss determinant. It involves drawing the figure on a Cartesian plane, setting the coordinates of...
Asked on 08/01/2021
1 answerI would like to make where my ODE is evaluated at (not the boundary condition itself but rather the "x" value of the boundary condition) to be a variable in...
Asked on 07/31/2021
1 answerBecause my presentation will be given remotely, and I will go in and out of presentation mode often while engaging with the audience, I do not want Mathematica to go...
Asked on 07/31/2021
0 answerI'm trying to multiply a matrix and a vector (imported from a csv) in Wolframscript to speed up a process normally done with Mathematica notebooks. This is my first time...
Asked on 07/31/2021 by CharlotteC
1 answerSay I have one expression, for example $x^3-3 + c = y$, and I want to check if it implies another with some set of explicitly stated assumptions. With...
Asked on 07/31/2021 by user12404
2 answerI want to plot for coordinates and corresponding solution values below. coor = {0.,6000., 2000., 4000., 8000., 10000., 6000., 12000., 8000., 10000.} ϕvalue = {{1.}, {0.178533}, {1.0287}, {0.709987}, {},...
Asked on 07/31/2021
1 answerDescription:In Mathematica the functions like Thread, Inner, Outer etc. are very important and are used frequently. For the function Thread: Thread Usage1:Thread[f[{a, b, c}]]{f[a], f[b], f[c]}Thread Usage2:Thread[f[{a,...
Asked on 07/30/2021 by xyz
5 answerConsider a set of (here) 3 seriesr`data = Thread[{Range@4, # Range@4}] & /@ (10 Range@3);(*{{{1, 10}, {2, 20}, {3, 30}, {4, 40}}, {{1, 20}, {2, 40}, {3, 60}, {4,...
Asked on 07/30/2021
3 answerI have 2 coupled differential equations which I want to solve using Galerkin Method. As such, I want to substitute the dependent variables as a polynomial expansion of the independent...
Asked on 07/30/2021 by user75147
0 answerI encountered a degree 4 polynomial in 8 variables f(a1,a2,a3,a4,b1,b2,b3,b4) that I suspect can be written as a sum of squares. While sostools in MATLAB would find...
Asked on 07/30/2021 by pizzazz
2 answerGet help from others!
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