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Old 01-20-2019, 07:52 AM   #50
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Join Date: Aug 2009
Location: NL
Posts: 672

I already looked at it in octave.

With singularity:

As you can see, perpendicular to the singularity, there is not much change. The equation used to replace values near this singularity turns it into this:

The most interesting region is the off center diagonal (where values are still high, but close together). If we zoom in here, we can see that an aggressive cutoff shows better suppression of that singularity without hurting the continuity too much numerically. In the bottom graph I kept the colorbar the same for left and right.

This is why I originally chose that relatively high cutoff. At the time, I didn't realize that I had bug somewhere else tho (it's never where you look)

The first version had a bug. The last one sounds fine afaik.
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Last edited by sai'ke; 01-20-2019 at 08:09 AM.
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