Published on: 2025-06-22 11:17:50
Multivariate normal sampling can be wildly irreproducible if you’re not careful. Sometimes more than others. There are eldritch horrors, ill-conditioned matrices, and floating point nightmares in here. Teaching sand to do linear algebra was a mistake
Keywords: algebra careful conditioned eldritch floating
Find related items on AmazonPublished on: 2025-07-20 10:34:06
Huh discovered that this kind of mathematics could give him what poetry could not: the ability to search for beauty outside himself, to try to grasp something external, objective and true, in a way that opened him up more than writing ever had. “You don’t think about your small self,” he said. “There’s no place for ego.” He found that unlike when he was a poet, he was never motivated by the desire for recognition. He just wanted to do math. Hironaka, perhaps recognizing this, took him under his
Keywords: algebraic huh just matroids said
Find related items on AmazonPublished on: 2025-07-20 15:34:06
Huh discovered that this kind of mathematics could give him what poetry could not: the ability to search for beauty outside himself, to try to grasp something external, objective and true, in a way that opened him up more than writing ever had. “You don’t think about your small self,” he said. “There’s no place for ego.” He found that unlike when he was a poet, he was never motivated by the desire for recognition. He just wanted to do math. Hironaka, perhaps recognizing this, took him under his
Keywords: algebraic huh just matroids said
Find related items on AmazonPublished on: 2025-10-14 01:32:53
Robert Vanderbei has written a beautiful series of articles and talks about a method for finding the radius of the earth based on a single photograph of a sunset over a large, calm lake. Vanderbei’s analysis is an elegant and subtle exercise in classical trigonometry. In this post, I would like to present an alternative analysis in a different language: Geometric Algebra. I believe that geometric algebra is a more powerful system for formulating and solving trigonometry problems than the classi
Keywords: algebra geometric left product vectors
Find related items on AmazonPublished on: 2025-11-13 15:54:17
Projective Geometric Algebra Using one extra dimension, we obtain the plane-based Projective Geometric Algebra for 2 and 3 dimensions. Its elements are points, lines and planes. It includes elements at infinity and has exception free join and meet operations. Its even subalgebra provides in rotations & translations and is isomorphic to the dual quaternions
Keywords: algebra dimensions elements geometric projective
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