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2d
comment Export MatrixPlot graphics to PDF
I just remembered that I had asked a closely related question myself in 2012, and that this answer also applies there: Color ramp banding in PDFKit when exporting Raster image Inset to PDF.
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revised Color ramp banding in PDFKit when exporting Raster image Inset to PDF
added rasterTrick method
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comment Export MatrixPlot graphics to PDF
@Lou New dictionary item - "jens-sastic (adj.): awkward and painful solution to a problem that shouldn't exist in the first place"
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awarded  Nice Answer
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answered Export MatrixPlot graphics to PDF
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reviewed Close Dual core CPU — Mathematica uses only 29% of one core
2d
reviewed Close Power::infy: error using FindFit
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reviewed Close What is the meaning of a result of {{}}?
Aug
26
comment Transformation of Derivatives under change of coordinates
Closely related: How to change coordinates of a differential operator? The main thing is to apply the chain rule. This question is simpler than the linked one because the transformation is linear.
Aug
26
reviewed Close if f(x) is O(g(n)), then does it follows that h(f(x)) is in O(h(g(x))?
Aug
25
comment Selectively updating individual graphics in a dynamic, multiple-plot Show
@RonaldMonson In your updated post, the statement that Show expects Graphics is not correct. Besides Graphics3D, it also accepts Legended@Graphics and Legended@Graphics3D. My point is the Plot can produce the Legended output, too, and I automatically account for that.
Aug
25
reviewed Leave Closed Plotting an function defined by an integral
Aug
25
reviewed Leave Closed Visualizing The Crack of The RSA Cryptosystem
Aug
25
comment Selectively updating individual graphics in a dynamic, multiple-plot Show
My advice is that if you can get by without taking apart the output of built-in functions such as Plot, then that's less likely to break in future versions. The introduction of PlotLegends illustrates this. It creates Plot output with Head Legended instead of Graphics. In earlier versions, that didn't happen, so that code relying on the internal structure of Plot output from the old version will not work. My solution doesn't rely on any undocumented internal structures.
Aug
25
comment Customizing display of partial differential equations
@Mr.Wizard Are you saying that there is anything wrong with Format in the context of this question? Note that the question is only about formatting for TraditionalForm.
Aug
25
reviewed Close Counting the zeros in a factorial expansion
Aug
25
comment Counting the zeros in a factorial expansion
You only need to apply DigitCount to the factorial.
Aug
25
reviewed Close Citation of the algorithms used in FindGraphCommunities
Aug
25
comment Selectively updating individual graphics in a dynamic, multiple-plot Show
This won't work if you add PlotLegends to one or both of the plots (e.g.).
Aug
25
comment Selectively updating individual graphics in a dynamic, multiple-plot Show
There were indeed errors as @Pickett observed, due to the argument of the Locator containing a constant and not a variable. I posted a version that fixes this and also addresses the Show issue.