matefh/Trustious-Recommender — pull request #1 by mostafa-mahmoud (2012-06-29 20:38:03+00:00)
Title: Linear Algebra, Similarity modules

Added 2 modules LinearAlgebra, that contains basic linear algebra functions, mainly dot product; Similarity, that contains 2 basic similarity functions, Cosine rules, Pearson's correlation. Tests are available for each of them.