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first let me show what I have working correctlyf = Permutations[Range[5], {3}]Riffle[f, Apply[CoprimeQ, f, {1}]]now I would like to automate the deletion of a list {a,b,c} that returns false...
Asked on 07/25/2021
2 answerI have some enormous expression with many complex exponentials. Some of these are time varying, others are just phase terms. Here is a small piece of the expression that I...
Asked on 07/25/2021
1 answerI get this as output: $frac{1}{6} int_0^{infty } 6 t , dt$ Why it cannot cancel the coefficients?...
Asked on 07/25/2021
1 answerHow to speed up MST algorithm? I work with graphs and I have adopted Prim's algorithm for my needs, from here. The graphs which I use are...
Asked on 07/25/2021 by crobartie
1 answerBug introduced in 12.2, Fixed in 12.3 Something changed in NMaximze in v12.2:NMaximize[E^(-x^2) - 1, x](* {(-1 + E^#1)[0.], {x -> 0.}} *)v12.1 works as expected:NMaximize[E^(-x^2) - 1,...
Asked on 07/25/2021
1 answerA functional square root of a function $g$ is another function $f$ such that $g=fcirc f$. According to that article, there is a systematic...
Asked on 07/25/2021
1 answerI would like to sum all the adjacent values in an array that are different from 0, then replace those values with zero, apart from the first value which should...
Asked on 07/25/2021
5 answerI've defined the following ItoProcessproc = ItoProcess[ { d bj[t] == bk[t] d pj[t], d bk[t] == bj[t] d pj[t] }, ...
Asked on 07/25/2021 by mvc
0 answerI have a function as follows:f[x_, t_] := x + t;Table[{x, t, f[x, t]}, {x, 0, 1}, {t, 0, 2}]When I write MatrixForm[%], I get ...
Asked on 07/24/2021 by RF_1
2 answerI have tried NMaximise. But I am getting an error always. Even if my command is correct. My function isCos[π E^x]and I want to maximise it over the range...
Asked on 07/24/2021
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