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brocklin

Aha

matrix multiplication?

brocklin

Outside of matrix multiplication, I mean.

jestinm

Might depend on what you define as clean, as it could be represented as a piecewise function, or a function per dimension.

brocklin

True enough. I'm just wondering if there's any formal nomenclature like the format I wrote above for non-uniform scaling. Based on the lack of one in the slide deck, I'm assuming there isn't.

kasi

Do you have to position at least one vertex of the polygon at the origin to scale uniformly? I'm confused by the solution of problem 1 in exercise 1

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Is there a clean way to write a non-uniform scale similar to the format S_a(x) shown for uniform scales?