Replacing part of a matrix with a matrix

Hey guys,

I need to replace part of a matrix with a matrix of zeroes. For simplicity lets just say,

A = [1,2,3;4,5,6;7,8,9]

I would like to replace the top left 2x2 with a matrix of zeroes. How do I do this using matlab commands?

Thanks

Answer 1

[Youssef Khmou]

you can try :

 A(1:2,1:2)=0;

[Nick]

Thanks!