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Mathematica : Recent Questions and Answers (Page 215)

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

Getting PlotLegend to show the exponential of values?

I made a contour plot in Mathematica, and am currently using PlotLegends->Automatic. But, instead of having the legend labels show the values of the function, I want it to show...

Asked on 12/14/2020 by ccalculates

0 answer

How to delete certain lists from a nested list?

I have a nested list as the following example (want to remove lists with same or incremented elements such as {1,2,3,4,5}, {2,2,2,2,2}, {1,1,1,1,1}):test={{1,2,3,4,5}, {1,1,1,1,1}, {2,4,6,8,10}, {2,2,2,2,2}, {3,5,2,4,8}};test1=DeleteCases[test,{1,2,3,4,5}];test1=DeleteCases[test1,{1,1,1,1,1}];test1=DeleteCases[test1,{2,2,2,2,2}];So the result...

Asked on 12/14/2020 by Marie

4 answer

Random number in system of equations, solving using NDSolve & WhenEvent

I need to analyse the effect of random forcing on the system of coupled equations. For example, I have shown the equations below. $$begin{pmatrix} x1''x2''x3''x4''x5'' end{pmatrix}+ M_{(5...

Asked on 12/14/2020

1 answer

Simplification depends on the names of variables

I am sure this issue has been discussed here, but it has never been asked whether this behavior is a bug.Therefore my direct question to the community: do you...

Asked on 12/14/2020

0 answer

Keep the form of a summation

I have an input dialog box in which you must enter a formula. This formula consists of a summation of terms of x (x subscript i). I intend to keep...

Asked on 12/13/2020 by Pcouper

0 answer

How to convolve two audio signal?

Can we obtain reverb effect by convolve two audio signal?Here are some example. https://www.bilibili.com/video/BV1vE411h7W2...

Asked on 12/13/2020

0 answer

How to use Manipulate to place `Tooltip` for each data point on a ListPlot with a varying Linear Regression line

I want to build on an already developed Code given in: https://mathematica.stackexchange.com/a/183401/60365 For easy implementation, I applied it to a sample of 10 observations. Given:data = {{525.48, 37.02},...

Asked on 12/13/2020

2 answer

How to transform Appearance value or slider value in Manipulate?

My code is more involved, but my question boils down to this. I have a list of values where each entry represents the x-position of a particle at time ...

Asked on 12/13/2020 by Charles Hagwood

0 answer

Drawing a RegionPlot from a Table of Values

I have a 2-D table with numbers 1,2,3,4 and 5 populated in it in a continuous form.From it, I like...

Asked on 12/13/2020 by Monire Jalili

2 answer

Blank result from ListContourPlot[]

I was trying to make a ListContourPlot of some data. I have triplets of data of the form {x, y, f[x, y]}. A part of this data is the following:...

Asked on 12/13/2020

1 answer

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