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I'm trying to calculate the torsion of a curve at a point using the following code:r[t_] := {t, 0.1 t^2, 0.1 t^3}T[t_] := Normalize[r'[t]]n[t_] := Normalize[T'[t]]B[t_] := Cross[T[t], n[t]]Torsion[t_]...
Asked on 11/26/2020 by swissnetizen
3 answerI applied the integration, How to solve the function which is mentioned below.here, 'theta' is the only variable.q13, q1,q2,p,qi1 are all variables will take value from the loop...
Asked on 11/25/2020 by S.Kirubakaran
1 answerI try to use horizontalgauge in Manipulate as following: Manipulate[ Graphics[Disk[]], HorizontalGauge[Dynamic[x], {0, 100}] ]but it didn't work, but if I wrap the gauge with Row[]...
Asked on 11/25/2020 by DORA
1 answerI have a set of differential equations that describe the air temperature dynamics in a heated channel.The problem is that the solution becomes unstable and creates a discontinuity but physically...
Asked on 11/24/2020 by Andri
1 answerI'm playing around with implementing the Lucas probable prime test (mainly so I can understand it better), and would love a version of the LinearRecurrence function that used addition modulo...
Asked on 11/22/2020 by Phil Ramsden
1 answerI have an arbitrary list of elements:list = {a, b, c, d, e, f}How would I produce:returns = {(b - a) / b, (c - b) / c,...
Asked on 11/22/2020 by Quarkly
0 answerLet's consider the time series:seria={38, 30, 23, 23, 14, 27, 21, 37, 25, 10, 24, 3, 5, 2, 5, 4, 8, 6, 13, 14, 6, 11, 3, 3, 15,...
Asked on 11/21/2020
0 answerI use Mathematica mainly as an aid in symbolic attacks on problems, usually intermediate or harder and often number theoretic. While Reduce, Simplify, et al. are remarkably...
Asked on 11/21/2020 by CarlEdman
6 answerIf there are grammatical or terminological errors in the following description, please help correct: In some problems, it is necessary to find out what minimum number of exchanges can change...
Asked on 11/21/2020
4 answerI would like to set my domain of NMinimize so that my variables take values in {1,0}. I know I can use Booleans in FindInstance, but how can I define...
Asked on 11/20/2020
0 answerGet help from others!
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