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A comment on A 2020 Vision of Linear Algebra. Parent comment
That's just one of dozens of things LA is "about"
> why the hell couldn't my textbooks explain it in these terms on page 1
Because you wouldn't have understood terms like
> orthonormal
and because it would have been unhelpful to everyone else who want in LA for the exact same reason you were.
Being obviously in retrospect doesn't mean it was obvious in forespect. You had to learn the material first.
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That's just one of dozens of things LA is "about"
> why the hell couldn't my textbooks explain it in these terms on page 1
Because you wouldn't have understood terms like
> orthonormal
and because it would have been unhelpful to everyone else who want in LA for the exact same reason you were.
Being obviously in retrospect doesn't mean it was obvious in forespect. You had to learn the material first.