the use of eye command?

Would you please explain the meaning of this use of eye command?

>>eye (2,4)

ans=

1 0 0 0

0 1 0 0

Thanks.

Answer 1

[James Tursa]

eye(M,N) creates an MxN matrix with 1's along the main diagonal (from the upper left corner down towards lower right) and 0's everywhere else. The usage would depend on the user's needs.