A class of things they don’t teach you in STEM school (and should).pic.twitter.com/ec6bqixpM3
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Relatedly: linear algebra would be *much* easier if, at the beginning of the course, the professor explained that it has only a couple of ideas, explained over and over in different terms.https://twitter.com/Meaningness/status/947639049413468160 …
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It does? That doesn't match the way I think about linear algebra at all.
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Interesting… did you read the jadagul post? “The entire subject is, like, four actual facts, each of which is repeated twenty times in slightly different language.”
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The post was nice enough, but I didn't really get much from it. It's possible my calibration may be off, after years of quantum information theory. Proving linear algebraic facts became a sort of ground state, for relaxation purposes.
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Or do you mean the bit from nostalgebraist about A*v being a linear combination of columns? (That wasn’t a way I had thought about it before, either.)
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