An Inexact Update Method with Double Parameters for Nonnegative Matrix Factorization

Table 2

and .

		Iter	Fun	Time
	Algorithm 3	2382		6.022
	NNMF	4157		13.452
	Algorithm 3	7556		30.280
	NNMF	14323		54.663
	Algorithm 3	4572		95.036
	NNMF	8171		141.275
	Algorithm 3	9942		107.563
	NNMF	15854		162.257
	Algorithm 3	22006		272.971
	NNMF	13113		453.043