convert matrix to vector in a loop

Hello

I have a matrix with (144x10). I want to put 4 rows in the first row together as a vector and move it to a new matrix.(rows,40) Then put 4 next rows together as vectors and put them in a new matrix until the end in the same way.

a matrix:

(row1,40)

(row1,40)

(row1,40)

(row1,40)

(row1,40)

(row1,40)

.....

.....

please help me

thank you

Answer 1

[Dennis]

Please check if this works for you:

A=randi(100,144,10); %matrix of size (144,10)
B=reshape(A',40,36);
B=B';

[Elahe Karimi]

thank you so much.it works.