Adding lines and columns

Hello, i have a matrix W (418*413) in the borders i have zeros, i mean in (1,:), (:,1),(:,413),(418,:) they are equal to zero and on the inside off the matrix i have values. What i need to do is, copy all the valeus from line 2 till line 417 from colummn 3 and put it on colummn 1 in the matrix W.

Thanks in advance

Answer 1

[Amit]

W(2:417,1) = W(2:417,3);

[Jah-lahfui]

Thanks a lot i wasn't seeing the answer and it so damn easy