use a loop structure .

A=zeros(4) % this is the same as zeros (4,4) // returns as a 4x4 matrix of zeros 
for m= 1:4
   for n=1:4
       A(m,n) = m*10+n 
       end
end

[Azzi Abdelmalek]

What is your problem?

Answer 1

[Azzi Abdelmalek]

This can be done without a for loop

[m,n]=ndgrid(1:4);
A=m*10+n