delete rows from matrix A in patten

delete rows from 5400x4096 matrix A in patten: The pattern of rows is keep 60, delete 60, keep 60, delete 60

Answer 1

[Walter Roberson]

B = reshape(A, 60, [], size(A,2));
B = reshape( B(1:2:end, :, :, :), [], size(A,2) );

Answer 2

[Andrei Bobrov]

Maybe so?

out = A(rem(ceil(1:size(A,1))/60,2)==1,:);