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Mathematica
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irchans's user avatar
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irchans
  • Member for 5 years, 10 months
  • Last seen more than a month ago
  • State College, PA, USA
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I used to teach math at Penn State. I'm into Machine Learning, Games, Programming, and Astronomy.

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Checking if two line segments intersect
Sep 19, 2021
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3
How can I count the number of times the $i$th element of two lists are equal?
Mar 16, 2022
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When will the last total solar eclipse occur?
8
Derivation of D-dimensional Laplacian in spherical coordinates
7
About the definition of curvature
6
Is $\frac{\arccos\left((\sqrt{r}+1)/(r+1/\sqrt{r})\right)}{\pi \left|1-r^{-3/2}\right|}$ analytic at $r=1$?