Generate matrix that is a product of its indices

I need to generate an n-by-n matrix, M. The n-by-n matrix elements are given by the product of its indices, M_ij=i*j-(i+j). I'm not very experienced with Matlab. How would I go about this?

Answer 1

[Bruno Luong]

n = 5;

i = (1:n)';
j = 1:n;
M = i.*j - (i+j)

[KF]

Thank you so much!