'ZIGZAG' generates a vector from a matrix using 'zigzag' ordenation USE: lin=zigzag(a);
0001 0002 %'ZIGZAG' generates a vector from a matrix using 'zigzag' ordenation 0003 % 0004 % USE: lin=zigzag(a); 0005 function aa=zigzag(a) 0006 0007 N=size(a); 0008 N=N(1); 0009 0010 b=fliplr(a); 0011 aa=diag(b,N-1); 0012 0013 for i=N-2:-1:1-N, 0014 0015 anyad=diag(b,i); 0016 if (i/2-floor(i/2))>0 0017 anyad=anyad(length(anyad):-1:1); 0018 end 0019 aa=[aa;anyad]; 0020 0021 end