What is wrong with code?

I want a matrix as follows:

n = 12
b = zeros(n,n)

b(1,:) = 1:n
b(2,:) = 1:n.^2
etc...

How can I express that in a loop form?

Answer 1

[Birdman]

for i=1:n
    b(i,:)=(1:n).^i;
end