saving the output matrices of for loop ?

if i have (for loop) (for i=1:r) which generate a matrix of (m,3) dimensions at each time

i want to save these matrices in only one matrix (mr,3)

Answer 1

[Image Analyst]

Try something like this:

m = 4; % Whatever you want.
r = 5; % Whatever you want.
% Preallocate the 3-D array 
% to hold all the 2-D m-by-3 matrices.
matrix3d = zeros(m, 3, r);
for k = 1 : r
  thisMatrix = rand(m, 3); % Whatever you want.
  matrix3d(:, :, k) = thisMatrix;
end