This appears to be essentially equivalent to solving a linear system using the Moore-Penrose pseudoinverse. https://en.m.wikipedia.org/wiki/Moore%E2%80%93Penros

This appears to be essentially equivalent to solving a linear system using the Moore-Penrose pseudoinverse. https://en.m.wikipedia.org/wiki/Moore%E2%80%93Penrose_pseudoinverse https://en.m.wikipedia.org/wiki/Moore%E2%80%93Penrose_pseudo...