How to create an double for loop in matlab?

Hi, I want to create a double loop where one loop would go across each matrix and the second loop would go through the individual matrix. For example, I have 4 matrices in list names A through D and within each of these matrices are 5 variables. The following code would generate 4 matrices and within each consists of five variables.

 A = rand(100,5);
B = rand(100,5);
C = rand(100,5);
D = rand(100,5);
%
% To create a double loop
for i = 1:size(A,2)-1
    for j = A:D
   Tables.Table{j}(:,1) = corr({j}(:,1), {j}(:,i+1));
   end
end

Can somebody please guide me on this?

Thank you very much for your time and consideration.

Yahya

Answer 1

[dpb]

"I have 4 matrices in list names A through D..."

Don't do this! See <FAQ> on why not and ways to avoid doing so...