from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. Third-person singular simple present indicative form of factorise.
Sorry, no etymologies found.
NNMF is different from SVD (or PCA) factorisation in that it factorises a positive matrix (all elements), say ‘A’ into factor matrices which are also both positives.
(x²-1) (x²-13) this can be shown more easily if u let u = x² this gives u²-14u+13 = 0 which factorises to