samer@4: % binary - return array contain binary sequece over N columns
samer@4: %
samer@4: % binary :: N:natural -> [[2^N,N]->{0,1}].
samer@4: %
samer@16: % note: returns an array of uint32
samer@4: 
samer@4: function B=binary(N)
samer@4: 
samer@4: M=2^N;
samer@4: B=zeros(M,N,'uint8');
samer@4: b=1:N;
samer@4: for i=1:M
samer@4: 	B(i,:)=bitget(uint32(i-1),b);
samer@4: end