% binary - return array contain binary sequece over N columns
%
% binary :: N:natural -> [[2^N,N]->{0,1}].
%
% note: returns an array of uint32

function B=binary(N)

M=2^N;
B=zeros(M,N,'uint8');
b=1:N;
for i=1:M
	B(i,:)=bitget(uint32(i-1),b);
end
