The code, written by foreign experts Serhat S. Bucak incremental non-negative matrix factorization, there are examples of relatively easy to use.

Incremental subspace learning via non-negative matrix factorization.pdf
comp_INMF
.........\calc_frame_err.m
.........\comp_distance.m
.........\comp_INMF.m
.........\dim_inc.m
.........\dim_inc_1.m
.........\dim_inc_2.m
.........\inmf_W.m
.........\nmf.m
.........\nmf_h.m
.........\README.txt
.........\ssbinitial.m
inc_INMF
........\comp_dist.m
........\dim_inc.m
........\dim_inc_1.m
........\dim_inc_2.m
........\example_inc_inmf.m
........\frame_hata.m
........\inc_inmf.asv
........\inc_inmf.m
........\inmf.m
........\nmf.m
........\nmf_h.m
........\README.txt
........\ssbinitial.m
inmf
....\example.m
....\inmf.m
....\nmf.m
....\README.txt
....\ssbinitial.m
MLR_GL
......\bucak_cvpr11.m
......\calc_func_output.m
......\demo.m
......\mlr_auc.m
......\mlr_roc.m
......\performance.m
......\positive_projection.m
......\README.txt

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