31NonnegativeMatrixFactorizationNMFisinprinciplewellsuitedtothetaskofcolorunmixingasitndsafactorizationofXintoAandSsuchthatASargminASkXASk2subjecttoAij0Sij0Theaboveproblemisunderconstr ID: 290650
3.1Non-negativeMatrixFactorizationNMFisinprinciplewellsuitedtothetaskofcolorunmixing