MATLAB: Removing rows in a matrix

Question

Hello,

I have this matrix, called A matrix. I am attaching the file with the question. Also the picture of some of its data values

I need to remove some of its rows in a loop. I want to keep rows 1,2 then remove 3,4,5,6, keep 7,8,then remove 9,10,11,12, keep 13,14.. like this it goes on.keep 2 remove 4 rows.

Does anyone know?

Answer 1

Try this

n = size(Identify_3);
idx = (mod((1:n)-1, 6)+1) <= 2;
Identify_3 = Identify_3(idx, :);