convrt matrix into 8*8

sir i want to conver 4*4 matrix into 8*8 matrix by adding zeros ..what is matlab code for that

Answer 1

[Andreas Goser]

Your description is not clear. One example however:

A=zeros(8);
A(1:4,1:4)=B; % where B is your 4*4 matrix

[Jitesh Bhanushali]

thank u sir i have 64*64 matrix and i want to convert every 4*4 block of 64*64 matrix into 8*8 matrix..how to do this

[Andreas Goser]

Depends on the conversion rule you want to apply. Can you give one example with actual numbers before and after?