0001 function idx = searchTrack(tracks,id) 0002 idx = 0; 0003 tr =1; 0004 found = 0; 0005 while found==0 && (tr <= length(tracks)) 0006 if (tracks(tr).Id==id) 0007 found=1; 0008 idx = tr; 0009 end 0010 tr = tr+1; 0011 end 0012 end