Nov 23, 2025 · 24 min read · One time, long ago, in a code review, I noticed some really krufty code: someone altered a core library and broke the rules of a state machine fundamental to the overall design. I raised a red flag: “this is going to fail somehow, someday, as this ch...
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Mar 25, 2023 · 5 min read · Introduction PageRank, the Algorithm is infamous for being Google's original Webpage ranking Algorithm, of course, Google has made huge changes to this algorithm, but the core of it is still very useful to dive into since Google has swept away the ma...
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Feb 20, 2023 · 7 min read · Let \(M\) be an \(n \times n\) matrix. A scalar \(\lambda \) is an eigenvalue of \(M\) if there is a non-zero vector \(x\) (called eigenvector) s.t.: $$M x = \lambda x$$Eigenvalues and eigenvectors are crucial in many fields of science. For example, ...
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Feb 1, 2023 · 8 min read · Prerequisites Linear Transformation and Determinants are the two concepts one needs to be clear about before attempting to learn what Eigenvectors and Eigenvalues are. Once familiar with them, the core concept is pretty simple to grasp. Core concept ...
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