spectral cluster return Y

src/MATLAB/+Cluster/SpectralCluster.m

@@ -56,6 +56,7 @@ function [idx,Y]= SpectralCluster(A,k)
 NREP=50;
 if (1==k)
     idx=ones(size(A,2),1);
+    Y = []; % ack TODO need Y for 1?
     return;
 end
 for i=1:size(A,1)
@@ -73,6 +74,5 @@ for i=1:size(X,1)
 end
 
 idx=kmeans(Y,k,'emptyaction','singleton','replicates',NREP);
-
 end