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Moving between vectors and diagonal matrices
( go to the article → https://www.johndcook.com/blog/2021/03/09/vectors-matrices/ )
This is the first of two posts on moving between vectors and diagonal matrices. The next post is Broadcasting and functors. Motivation When I first saw the product of two vectors in R, I was confused. If x and y are vectors, what does x*y mean? An R programmer would say “You multiply components together, […] The post Moving between vectors and diagonal matrices first appeared on John D. Cook.
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