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Mathematica : Recent Questions and Answers (Page 197)

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

How to Speak in a foreign language?

A previous question changed the pronunciation by changing the spelling of words or by externally changing the default system voice. This is useful for speaking in foreign languages too,...

Asked on 01/07/2021 by Timothy Wofford

1 answer

How to create a plot of vectors emanating from the x axis?

I am trying to make a plot that looks something like the image seen below: So far I have the following code:ListPointPlot3D[Table[{i, Cos[i], Sin[i]}, {i,...

Asked on 01/07/2021 by SalahTheGoat

1 answer

Place graph vertex labels in circles

Consider the following code:vsh[{xc_, yc_}, name_, {w_, h_}] := {LightYellow, Rectangle[{xc - w, yc - h}, {xc + w, yc + h}], Inset[Style[Text[name],...

Asked on 01/07/2021 by arshajii

3 answer

Locally remove definition of function

Consider the following codeg[x_]:=x^2f[x_]:=2*g[x]f[x] (* returns 2 x^2*)test[x_]:=Module[{g},f[x]]test[x] (* returns 2 x^2 as well*)What I would like to have and the reason why I thought module would have been...

Asked on 01/07/2021

0 answer

Derivation of Interpolation function

I have a problem to derive an interpolation function.I am quite new to mathematica, so I suspect I miss something. I have a list of values of 1000 values...

Asked on 01/07/2021

0 answer

How can I plot a Farey diagram?

How can I plot the following diagram for a Farey series? ...

Asked on 01/06/2021 by G. R.

6 answer

How I can import data from URL by using output of GoogleCustomSearch?

I am trying to make a word cloud from all URLs that are as outputs after using google custom search so I think I need to read those URLs...

Asked on 01/06/2021 by May Aly Awad

1 answer

Plot a function defined on terms on its value on an interval

Besicovitch-Ursell family of fractal functions uses the following auxiliary definition: $phi(x) = 2x$ on $[0,1/2]$. $phi(-x) = phi(x+1)$ otherwise. Is there a way to plot this in...

Asked on 01/06/2021

2 answer

Efficiently check if a File object is a valid Image

I have a directory of images that might not have downloaded, and need to delete the duds. This is too slow: Import /* ImageQ /@ fileNames In bash, I use...

Asked on 01/06/2021 by M.R.

1 answer

3D graphics showing a double symmetric hemispherical sector diagram

I never used Mathematica to plot something that can be considered non-trivial. I want to create a plot similar to the one used hereon the left,...

Asked on 01/06/2021

1 answer

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