Mathematics
Don Hatch's user avatar
Don Hatch's user avatar
Don Hatch's user avatar
Don Hatch
  • Member for 8 years, 11 months
  • Last seen more than a week ago
  • Alameda, CA
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Me on projecteuler.net

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All Questions Answers
Score Newest
question
12
what would a planetary orbit look like if gravity had constant magnitude?
Jul 1, 2015
question
9
How to find a symmetric matrix that transforms one ellipsoid to another?
Jul 11, 2016
question
8
can a convex polygon have only one boundary point at locally maximum distance from its centroid?
May 11, 2016
question
8
Numerically robust 2x2 determinant?
Nov 24, 2018
question
7
How can one recognize when two Coxeter diagrams represent the same uniform polytope?
Sep 9, 2020
question
6
how do you compute $\|c-a\| - \|b-a\|$ without catastrophic cancellation?
Dec 30, 2016
answer
6
Calculating the inverse of a multivector
Nov 5, 2018
answer
3
can a convex polygon have only one boundary point at locally maximum distance from its centroid?
May 27, 2016
question
3
NURBS circle without all the double knots?
Dec 12, 2018
answer
2
competing definitions for polytope dual
Jul 4, 2018
Top Meta posts
1
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15
Can I make this little table of diagrams better than ASCII graphics?
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134
how to get android screen size programmatically, once and for all?
78
rationale for std::lower_bound and std::upper_bound?
43
Intuition as to why the orientation (of a 3D object) is not a conserved quantity?
34
Is Android layout really exponentially hard?
22
Is there any advantage of using map over unordered_map in case of trivial keys?

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