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jrhawley.ca
| | algassert.com
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| | Craig Gidney's computer science blog
| | nhigham.com
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| | A $latex p$th root of an $latex n\times n$ matrix $LATEX A$ is a matrix $LATEX X$ such that $latex X^p = A$, and it can be written $latex X = A^{1/p}$. For a rational number $latex r = j/k$ (where $latex j$ and $latex k$ are integers), defining $latex A^r$ is more difficult: is...
| | hadrienj.github.io
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| | In this post, we will see special kinds of matrix and vectors the diagonal and symmetric matrices, the unit vector and the concept of orthogonality.
| | scottarc.blog
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| I am famously not a fan of JSON Web Tokens (JWT). Like most cryptography and security experts familiar with JWT, I would much rather you use something else if you can. I even proposed a secure alternative called PASETO in 2018 (with an optional extension called PASERK to handle advanced use-cases; namely key-wrapping and asymmetric...