wolffd@0: function sub = ind2subv(siz,index)
wolffd@0: %IND2SUBV   Subscript vector from linear index.
wolffd@0: % IND2SUBV(SIZ,IND) returns a vector of the equivalent subscript values 
wolffd@0: % corresponding to a single index into an array of size SIZ.
wolffd@0: % If IND is a vector, then the result is a matrix, with subscript vectors
wolffd@0: % as rows.
wolffd@0: 
wolffd@0: %sub = ind2subvTest(siz, index);
wolffd@0: n = length(siz);
wolffd@0: if n==0, sub = index; return; end % added by KPM 17 Nov 07
wolffd@0: cum_size = cumprod(siz(:)');
wolffd@0: prev_cum_size = [1 cum_size(1:end-1)];
wolffd@0: index = index(:) - 1;
wolffd@0: sub = rem(repmat(index,1,n),repmat(cum_size,length(index),1));
wolffd@0: sub = floor(sub ./ repmat(prev_cum_size,length(index),1))+1;
wolffd@0: 
wolffd@0: % slow way
wolffd@0: %for dim = n:-1:1
wolffd@0: %  sub(:,dim) = floor(index/cum_size(dim))+1;
wolffd@0: %  index = rem(index,cum_size(dim));
wolffd@0: %end
wolffd@0: