Previous Up Next

5.54.5  Matrix column norm: colnorm colNorm

colnorm (or colNorm) takes as argument a matrix A=aj,k.
colnorm (or colNorm) returns maxj(∑k(|aj,k|)).
Input:

colnorm([[1,2],[3,-4]])

or:

colNorm([[1,2],[3,-4]])

Output:

6

Indeed: max(1+3,2+4)=6


Previous Up Next