Structured Variational $D$-Decomposition for Accurate and Stable Low-Rank Approximation

Ronald Katende

We introduce the $D$-decomposition, a non-orthogonal matrix factorization of the form $A\approx PDQ$, where $P\in {\mathbb{R}}^{n\times k}$, $D\in {\mathbb{R}}^{k\times k}$, and…