theta_update

matrix. Correspond to the matrix multiplication of t(X) and t.

matrix of dimension <code>M x H</code>.

Theta

matrix of dimension <code>H x K</code>.

Lambda

internal

Provides a version of the Expectation-Maximization algorithm for
mix-models, reducing the numbers of parameters to estimate using
Non-negative Matrix Factorization methods.
For more explanations, see pre-print of Carel and Alquier (2017) <arXiv:1709.03346>.

theta_update: Update of theta

Description

Usage

Arguments

Value