Linked Questions

4
votes
2answers
328 views

ContourPlot - plot only one connected component

How do I plot only one component in ContourPlot when specifying a height. For example, ...
1
vote
2answers
781 views

How to debug error triggered by replacement rule?

The second line below produces the errors shown: ...
4
votes
1answer
706 views

Issue in displaying a rotated PolarPlot with Show

I can use PolarPlot to generate a plot; however, I would like to rotate the plot by 90 degrees and then output the result using Show. Here is the code ...
3
votes
2answers
413 views

Reducing quality of Graphics3D scene to improve performance?

ProteinData["SERPINA1", "MoleculePlot"] gives the detailed Graphics3D plot below. I'd like to make many small copies of this ...
3
votes
1answer
229 views

How to summarize an expression

Is there a similar command as str in R in Mathematica? ...
3
votes
0answers
850 views

Visualising Special Relativity

Mathematica newbie learning by doing (or not so far, in this case). Problem: Special Relativity - consider two inertial frames $A$ & $A'$ in relative motion. At a time $t0$ as measured in $S$, ...
0
votes
1answer
285 views

Extracting graphics primitives from a Graphics expression with ReplaceAll

If we have a graphics object, plt = Plot[Sin[x], {x, 0, Pi}] and we need to retrieve the discrete point data from it. This can be easily done by using ...
2
votes
1answer
276 views

How to force 2=={} as a Boolean output?

I have a code as below:- x = 2; If[x == {}, 1, 0] I want the output to be 0, but the output I got is the entire ...

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