Hypergraph Regularized Discriminative Nonnegative Matrix Factorization on Sample Classification and Co-Differentially Expressed Gene Selection

Algorithm 1

The algorithm of HDNMF.

Input: Data matrix , hyper-graph Laplace matrix , indicator matrix , parameters , , .

Initialization: Randomly initialize three non-negative matrices and .

Repeat:

(1) Update by rule (20).

(2) Update by rule (21).

(3) Update by rule (22).

Until Convergence.

Output: and .