Sure it doesn't sum the whole matrix but it does sum row by row. Also how did yo... | Hacker News

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		KRAKRISMOTT on July 9, 2023 \| parent \| context \| favorite \| on: Matrix multiplication using only addition Sure it doesn't sum the whole matrix but it does sum row by row. Also how did you type out LaTeX in HN? Or is that a font?

kragen on July 9, 2023 [–]

it sums products, but convolution is summing products in a particular way that is not general matrix multipication

i typed special characters with the compose key; cf. https://github.com/kragen/xcompose

not as easy as latex but more compatible

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