Research Article

Improved Coupled Tensor Factorization with Its Applications in Health Data Analysis

Table 1

List of symbols used in this paper.


tensor, matrix, column vector
mode- matricization of a tensor
the nth column vector of
the nth matrix in the sequence , ,...,
Outer product
Outer product of multiple matrices
Hadamard product
the set of real numbers
transpose of
for matrices and vectors, it refers to the analogous Frobenius and two-norm, respectively
missing index tensor
number of entries in matrix