no code implementations • 8 Aug 2022 • Jin-Zhu Yü, Chencheng Cai, Jianxi Gao
The progressive amplification of fluctuations in demand as the demand travels upstream the supply chains is known as the bullwhip effect.
no code implementations • 6 Dec 2019 • Chencheng Cai, Rong Chen, Han Xiao
As an effective dimension reduction tool, singular value decomposition is often used to analyze high dimensional matrices, which are traditionally assumed to have a low rank matrix approximation.
no code implementations • 5 Dec 2019 • Chencheng Cai, Rong Chen, Han Xiao
Specifically, we propose to approximate a given matrix by the sum of a few Kronecker products of matrices, which we refer to as the Kronecker product approximation (KoPA).
no code implementations • 26 Nov 2019 • Chencheng Cai, Rong Chen, Han Xiao
A matrix completion problem is to recover the missing entries in a partially observed matrix.