> Matrix multiplication is the composition of linear maps. This is an insight due to Cayley (see @ogogmad's comment, [1], and [2]). > If your professor... M

> Matrix multiplication is the composition of linear maps. This is an insight due to Cayley (see @ogogmad's comment, [1], and [2]). > If your professor... My professor provided historical context. [1] https://abel.math.harvard.edu/~knill/history/matrix/index.html https://abel.math.harvard.edu/~knill/history/matrix/index.ht... [2] https://ia802808.us.archive.org/0/items/philtrans05474612/05474612.pdf https://ia802808.us.archive.org/0/items/philtrans05474612/05...