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Everything about Non-negative matrix factorization

Algorithms for matrix decomposition

Non-negative matrix factorization, also non-negative matrix approximation is a group of algorithms in multivariate analysis and linear algebra where a matrix V is factorized into (usually) two matrices W and H, with the property that all three matrices have no negative elements. This non-negativity makes the resulting matrices easier to inspect. Also, in applications such as processing of audio spectrograms or muscular activity, non-negativity is inherent to the data being considered. Since the problem is not exactly solvable in general, it is commonly approximated numerically. Wikipedia →

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  1. Read the overview: Non-negative matrix factorizationA 5-minute orientation
  2. Skim a recent paper: Link prediction by deep non-negative matrix factorizationInfluential work since 2022
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  4. Read the landmark paper: Learning the parts of objects by non-negative matrix factorizationCited 11,771 times
  5. Go sideways: Principal component analysisA closely related topic
  6. Go sideways: Feature engineeringA closely related topic

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