Hi,
I have a diagonal block matrix and I would like to create another matrix that contains only the blocks of the diagonal (eliminating blocks out of the diagonal block). For example
A=[1 2 0 0; 3 4 0 0; 0 0 5 6; 0 0 7 8];
And I want
B=[1 2; 3 4; 5 6; 7 8];
How can I do this? Thanks,
Best Answer