fill a matrix, with other matrix

I have a matrix ("M") of the size 169x212 with either a value of 0 or 1. Now for every value 0 i want to place in another matrix ("A") with the size of 16x16 And for every value 1, i want to place a different matrix ("B") with the size of 16x16

thus creating a matrix of 2704 x 3392.

How do i get this to work ?

Answer 1

[Jos (10584)]

A smaller example, but you should be able to get this working in your case:

M = [1 0 1 1 ; 0 1 0 1 ; 1 1 1 0 ; 0 0 1 0]
A = [11 12 ;21 22],  B = [1 2 ; 3 4] 
C = cell(size(M)) 
C(M==0) = {A}
C(M==1) = {B}
Mout = cell2mat(C)

or in a one-liner:

Mout2 = cell2mat(arrayfun(@(x) (x==0).*A + (x==1).*B, M, 'un', 0))

[Dennis Slenders]

Perfect, this works just as i intended !