Orthogonal Nonnegative Matrix Tri-factorizations for Clustering
文章对：OrthogonalNMF（正交非负矩阵分解）与kernelK-means之间的关系进行了分析，并证明两者有内在联系：定理一：OrthogonalNMF：min(F>=0,G>=0)||X-FGT||2,s.t.GTG=I与K-means聚类是相等同的。该证明可以查看：C.Ding,X.He,andH.D.Simon.Ontheequivalenceofnonnegativematrixf