TransWikia.com
  1. All Categories
  2. Mathematica

Mathematica : Recent Questions and Answers (Page 228)

Find answers to your questions about Mathematica or help others by answering their Mathematica questions.

Cannot derive `Norm` or `Normalize` when recreating Frenet Serret equations

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 answer

Numerical integration of MeijerG function with variables

I 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 answer

Why the horizontalgauge can not be directly added to the control part of manipulate[]?

I 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 answer

How to deal with the discontinuity in the solution of NDSolve?

I 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 answer

A modular version of LinearRecurrence?

I'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 answer

How would you perform a simple operation on two adjacent elements of a list?

I 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 answer

From graph to time series

Let'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 answer

Advice for Mathematica as Mathematician's Aid

I 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 answer

How to express permutation as the least number of exchanges

If 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 answer

Minimization over Booles

I 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 answer

Ask a Question

Get help from others!

© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP