3 ms·
Heh. No one noticed but that should have been 0 A^T A 0 In the matrix-as-arrows-from-dots-in-Y-to-dots-in-X picture, the transpose means "turn all th
by edflsafoiewq 8y ago
Heh. No one noticed but that should have been
0 A^T
A 0
In the matrix-as-arrows-from-dots-in-Y-to-dots-in-X picture, the transpose means "turn all the arrows around". This also explains the connection between the transpose and the categorical dual.