A MATLAB GUI which downloads historical stock prices from the Yahoo! server. You can also create stock-by-date matrices for specific stocks and dates. (coming soon !)
NNDSVD
An initialization method for Nonnegative Matrix Factorization (NMF) algorithms. [Download]
Relevant publication: SVD-based initialization: A head start on nonnegative matrix factorization [pdf]
PALSIR
MATLAB functions for Nonnegative Tensor Factorization (NTF). [Download]
Relevant publication: PALSIR: A new approach to Nonnegative Tensor Factorization [pdf]
