how to create zero column matric and row in beginning of the matrix

i got a 6x6 matrix but now i have to make it 8x8 where the first two rows and column should be zero

Answer 1

[Kevin Holly]

m = rand(6)

m = 6×6

0.0069 0.8937 0.6615 0.7778 0.8702 0.0865 0.6157 0.2651 0.6701 0.6399 0.4879 0.9692 0.0580 0.9024 0.5732 0.7527 0.4914 0.0875 0.0193 0.1431 0.6512 0.3485 0.3430 0.5308 0.1633 0.5451 0.9625 0.5715 0.0338 0.7193 0.4034 0.8196 0.9789 0.4078 0.5132 0.0587

new = [zeros(8,2) [zeros(2,6);m]]

new = 8×8

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0069 0.8937 0.6615 0.7778 0.8702 0.0865 0 0 0.6157 0.2651 0.6701 0.6399 0.4879 0.9692 0 0 0.0580 0.9024 0.5732 0.7527 0.4914 0.0875 0 0 0.0193 0.1431 0.6512 0.3485 0.3430 0.5308 0 0 0.1633 0.5451 0.9625 0.5715 0.0338 0.7193 0 0 0.4034 0.8196 0.9789 0.4078 0.5132 0.0587