/explore
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benjamincongdon.me | ||
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craigmbooth.com
Trying to actually get good at logic puzzles |
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kevinkle.in
I modeled solving a Sudoku board as a graph problem. |
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jaketae.github.io
Update: The code was modified with further optimizations. In particular, instead of checking the trie per every DFS call, we update the trie pointer along the DFS call so that the trie does not have to be queried repeatedly. |
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nhigham.com
A Householder matrix is an $latex n\times n$ orthogonal matrix of the form $latex \notag P = I - \displaystyle\frac{2}{v^Tv} vv^T, \qquad 0 \ne v \in\mathbb{R}^n. $ It is easily verified that $LATEX P$ is orthogonal ($LATEX P^TP = I$), symmetric ($LATEX P^T = P$), involutory ($LATEX P^2 = I$ that is, $LATEX P$ is... |
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