assemble global stiffness matrix

Hello, I'd like how the easier way to assemble 2 matrices, for example, I have the following matrices:

k1 = [120 -120;-120 120]

k = zeros(5,5)

so I want to assemble this pattern:

K = [120 0 -120 0 0; 0 0 0 0 0;-120 0 120 0 0; 0 0 0 0 0; 0 0 0 0 0]

I thank you.

Answer 1

[Ameer Hamza]

k1 = [120 -120;-120 120];
k = zeros(5,5);
k([1 3], [1 3]) = k1;

Result

k =
   120     0  -120     0     0
     0     0     0     0     0
  -120     0   120     0     0
     0     0     0     0     0
     0     0     0     0     0