insert zero into matrix

I have a matrix M whose size is 96 x1, I have to insert zero from 89th row to 170 th row..Any idea how to do this ??

Answer 1

[Jan]

You cannot "insert" a 0 in row 170, if the vector has 96 rows only. You can append zeros only:

x = rand(96, 1);
x(89:170) = 0;