clear
% test array functions.
zeros(3)
zeros(3,7)
zeros([3,7])
ones(3)
ones(3,7)
ones([3,7])
eye(3)
eye(3,4)
eye([3,4])
rand(3)
rand(3,4)
rand([3,4])
randi(5, 3)
randi(5, 3,4)
randi(5, [3,4])
A = [1+i, 2+2i, 3+3i; 4+4i, 5+5i, 6+6i; 7+7i, 8+8i, 9+9i]
min(A)
max(A)
