How to store the looping values into matrix?

for every iteration of a for loop ihave to store the values in a matrix.How to do that?

Answer 1

[Pedro Villena]

me = rand(1,140); %%matrix 1x140
k = reshape(me,length(me)/length(cd1),length(cd1))'; %%matrix 5x28

[maxina dialin]

Thank u Pedro villena!!!!!!