|
|
|
|
|
|
by kevinventullo
1914 days ago
|
|
|
If matrix A has a single nonzero column (ai) in the first column and B has a single nonzero row (bj) in the first row, then A * B computes all pairwise products ai * bj. To be honest I’m not sure whether that really proves it. Does computing a single multiplication require a multiplication? |
|
|