Non-Negative Matrix Factorization (NMF) | Multiplicative Update Rules By Lee And Seung

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NMF Algorithm
Non-negative Matrix Factorisation (NMF): Family of linear algebra algorithms for identifying the latent structure in data represented as a non-negative matrix.

Input: matrix X , rank k.
Output: Two k-dimensional factors W and H approximating X

I used Multiplicative Update Method introduced by Lee and Seung in 1999 in order to factorize the input matrix.

Github link to the notebook : https://github.com/ahmadvh/Non-Negati...


#NMF #Python

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