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← Revision 2 as of 20081114 13:41:59 ⇥
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1) Decided to consider making my "Mathematics: It Is Not Just Calculus" book into an opensource book, hosted on sage.math.washington.edu and with exercises written in Sage.
2) Figured out that LQUP, Bunch and Hopcroft, and LSP are all actually the same.
3) Extended Rose's MinDegree algorithm, for Cholesky factorization of sparse symmetric positive definite complexvalued matrices via graph theory to matrices that are rectangular, not symmetric, not PSD, over any nontiny field, using digraphs. And it goes to RREF, so can be used in Groebner Bases.
4) Watched Robert Miller code that.
5) Began writing a paper (11 pages so far) BardMiller'08.
6) Lost my "Sage" and "Python" virginity...
7) ..by writing a NashEquilibrium finding library of functions for game theory. Rock, Scissors, Paper and RSP+Bomb are built in. It wasn't painless but that just makes it more fun. Painless is pointless.
8) Saw my dissertation referred to dozens of times.
9) Watched M4RI and M4RM get improved, which is an ego trip!
10) Rediscovered the sandwich, I had forgotten that they can be nontrivial.