Improved Coupled Tensor Factorization with Its Applications in Health Data Analysis

Algorithm 1

The pseudocode of CTF-AC.

Input:

Output: factor matrices

1 = 0;

2 ;

3 ;

4 initialize ;

5 while or do

6 ,vectorized factor matrices;

7 calculate objective function using (13);

8 calculate the partial derivatives of with respect to using (14);

9 vectorized combination of ;

10 , update with nonlinear conjugate gradient and linear search;

11 , convert the vector to the factor matrices;

12 convergence analysis;

13 termination analysis;

14 ;

15 end