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Non-negative Matrix Factorisation with multiplicative updates (Lee & Seung 2001) under the Frobenius objective.
Approximates X ≈ W · H with W ∈ ℝ⁺^{n × k} and H ∈ ℝ⁺^{k × d}.
Multiplicative updates preserve non-negativity by construction.
Structs§
- Nmf
- Fitted NMF factors.