9 Feb
2019
9 Feb
'19
3:33 a.m.
Christopher Barker writes:
well, vectorization is kinda the *opposite* of matrix multiplication -- matrix multiplication is treating the matrix as a whole,
When I think of treating the matrix as a whole, I think of linear algebra. Matrix multiplication is repeated application of the inner product, which is in turn a sum over vectorized multiplication. I share David's intuition about this, although it might not be the common one. Steve