Research Article
Robust Structure Preserving Nonnegative Matrix Factorization for Dimensionality Reduction
Table 1
Computational operation counts for updating
and
in each iteration.
| | | Addition | Multiplication | Division | Overall |
| | Updating (21) | | | | |
| | Updating (22) |
|
| | |
| | Normalizing and | | | | |
| | Overall | | | | |
|
|
Addition: a floating-point addition; multiplication: a floating-point multiplication; division: a floating-point division.
|
