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Questions on creating visualizations from functions or data using high-level constructors such as Plot, ListPlot, Histogram, etc.

4 votes
Accepted

How to manually set axis range in Plot?

Those are called Ticks. You could try adding the following option in your Plot: Ticks -> {Table[{i/10^4, i}, {i, 0, 15}], Automatic}
Shin Kim's user avatar
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1 vote

Strange Problem in ListSliceContourPlot3D, missing parts in final results

This is a similar problem to this. A workaround is to set a looser region: ListSliceContourPlot3D[data , ImplicitRegion[1 - 0.2 < x^2 + y^2 + z^2 < 1 + 0.2, {x, y, z}] , PlotLegends -> Automatic]
Shin Kim's user avatar
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2 votes
Accepted

ContourPlot plots an empty graph

When you try to plot that contour as given, there always will be some tiny imaginary term, which cannot be used in plotting. … /@ {Re[f[x, y]] == 0, Im[f[x, y]] == 0} ] and trying to draw their intersection using ConditionalExpression[Re[f[x, y]], Im[f[x, y]]==0] == 0 But this contour recurs another precision problem when plotting
Shin Kim's user avatar
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0 votes
Accepted

How to set a max value in SmoothDensityHistogram?

The color corresponding to the lowest value in the "SolarColors" scheme isn't black but more of a red, so you're gonna need to look for another color scheme to plot something similar to your photoshop …
Shin Kim's user avatar
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2 votes
Accepted

Plot continuous field lines of bar magnet B field using StreamPlot

Add Scaled[1] in the third argument of StreamPoints to draw at least one complete stream of each stream point: StreamPoints -> {{{0, 0}, {6, 0}, {9, 0}}, Automatic, Scaled[1]}
Shin Kim's user avatar
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1 vote
Accepted

Parametric Plot 3D error in heat equation in polar coordinates

Due to the orthogonality of the Bessel functions, the numerator of $d_m$ is zero except for $m=1$. So $u$ is just $u(r,t)=d_1\exp\left(-x_{01}/a^2\right)J_0(x_{01}r/a)$. This is why Mathematica, havin …
Shin Kim's user avatar
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3 votes
Accepted

How to get derivative of 2D data that is randomly stored in x and y?

If you want to produce the derivatives directly using only the raw data, (*w.r.t y*) datxy = Sort[Sort[datxy, #1[[1]] < #2[[1]] &], Which[ #1[[1]] == #2[[1]] && #1[[2]] < #2[[2]], True, …
Shin Kim's user avatar
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3 votes

Why does this PhaseRange not work?

Everything is working correctly. Mathematica is showing a correct Bode plot, the frequency range is just automatically set to display interesting (attenuating, likely to contain gain & phase margins) …
Shin Kim's user avatar
  • 1,291