Combining 2 different sized matrices.

I am trying to learn and practice some Matlab, this is one of the test yourself questions and I am just not able to understand how exactly I can do this. If anyone is able to explain I will appreciate it. Thank you

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KSSV
KSSV 2020-9-15
编辑:KSSV 2020-9-15
A = rand(3) ;
B = rand(4) ;
m = size(A,1) ;
n = size(B,1) ;
O1 = zeros(m,n) ;
O2 = zeros(n,m) ;
iwant = [A O1; O2 B] ;
OR
A = rand(3) ;
B = rand(4) ;
m = size(A,1) ;
n = size(B,1) ;
C = zeros(m+n) ;
C(1:m,1:m) = A ;
C(m+1:end,m+1:end) = B ;

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