how can i add 2 row

A=[-1,-1,0,0,0;0,0,0,-1,0;0,1,-1,0,-1;0,0,1,0,0;1,0,0,1,1]

With that matrix how can i add row to row command (code)

And in any kind of matrix?

Answer 1

[Walter Roberson]

A(FirstRow,:) + A(SecondRow,:)

Or if you want to get fancier,

sum(A([FirstRow, SecondRow],:))

[Light]

Tnx