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www.karlrupp.net
| | fastml.com

Linear algebra is all about matrices, and mostly about multiplying those matrices. If you were to remember only one thing about the topic, it would ...
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| | sebastianraschka.com

I'm Sebastian: a machine learning & AI researcher, programmer, and author. As Staff Research Engineer Lightning AI, I focus on the intersection of AI research, software development, and large language models (LLMs).
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| | sciruby.com

Almost two months ago, in December, we release our first beta of NMatrix, our linear algebra library for the Ruby language. Rather than discussing ...
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| | nhigham.com

The Cayley-Hamilton Theorem says that a square matrix $LATEX A$ satisfies its characteristic equation, that is $latex p(A) = 0$ where $latex p(t) = \det(tI-A)$ is the characteristic polynomial. This statement is not simply the substitution ``$latex p(A) = \det(A - A) = 0$'', which is not valid since $latex t$ must remain a scalar...
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