Polytopic Matrix Factorization: Determinant Maximization Based Criterion and Identifiability
Polytopic Matrix Factorization: Determinant Maximization Based Criterion and Identifiability
We introduce Polytopic Matrix Factorization (PMF) as a novel data decomposition approach. In this new framework, we model input data as unknown linear transformations of some latent vectors drawn from a polytope. In this sense, the article considers a semi-structured data model, in which the input matrix is modeled as …