Find answers to your questions about Mathematica or help others by answering their Mathematica questions.
I am using Mathematica and I would like to download the dataset "Epidemic Data for Novel Coronavirus COVID-19" for basic investigation from Wolfram homepage. Can anyone give me some instructions...
Asked on 06/07/2021 by Johann Riedler
5 answerI am trying to solve an ODE by subbing in a series form and then looking individually at the coefficients of different powers of the variable. I'm looking at a...
Asked on 06/06/2021 by Eric N
1 answerI have a list:lis = {{"a", "xx", "b"}, {"c", "18", "d"}, {"a", "23", "b"}, {"w", "xx", "z"}}I would like to obtain:res = {{"c", 18, "d"}, {"a", "23", "b"},...
Asked on 06/06/2021
1 answerMy program recieves four inputs representing linkages in a 4-bars mechanism: Then it has to find the Largest and Smallest linkage and evaluate its sum against the other two: L+S<P+Q...
Asked on 06/06/2021
1 answerI'm trying to solve a differential equation a'[t]== f[a[t], y[t]], where for every time step y[t] is a real solution to a fourth-order polynomial p[a[t],y[t]]. As an old Python programmer,...
Asked on 06/06/2021 by Running_Quark
2 answerI have a Table of Sin[nx] functions where n is an integer. Now my issue is that I have been searching a way to make the plots look like a...
Asked on 06/06/2021
2 answerI'm working on a short script that I can repeatedly use to solve parametric surface integrals. There is a post on this elsewhere on MSE, but it is a complicated...
Asked on 06/06/2021 by JDVC
1 answerIt is known that quadratic form $fleft(x_{1}, x_{2}right)=x_{1}^{2}-4 x_{1} x_{2}+4 x_{2}^{2}$ can be transformed into quadratic form $gleft(y_{1}, y_{2}right)=a y_{1}^{2}+4 x_{1} x_{2}+6 y_{2}^{2}$ by orthogonal transformation (It is...
Asked on 06/05/2021
1 answerNDSolve can be broken into several basic steps for advanced usage according to Components and Data Structures. In the documentation, a simple example is given as follows.Creating...
Asked on 06/05/2021
0 answerI want to print the messages or warning message tags for NonlinearModelFit when batch fitting data. For example, I will import and fit my data with something likeTable[ ...
Asked on 06/05/2021
1 answerGet help from others!
Recent Questions
Recent Answers
© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP