Matrix&Tensor decomposition

This project implements matrix missing element completion and tensor missing element completion.

• matrix_cp_one.py: This file uses the gradient descent method to complete the missing elements of the matrix.
• matrix_cp_two.py: This file implements matrix missing element completion by using alternating least squares.
• tensor_cp_one.py: This file implements tensor missing element completion by using alternating least squares.

Our CSDN blog posts (in Chinese)

• 矩阵论笔记：张量CP分解的详细数学推导以及Python实现！

• 参考：https://github.com/xinychen/tensor-learning