Least-squares approximation by elements from matrix orbits achieved by gradient flows on compact lie groups

Chi-Kwong Li, Yiu-Tung Poon, Thomas Schulte-Herbrüggen. Least-squares approximation by elements from matrix orbits achieved by gradient flows on compact lie groups. Math. Comput., 80(275):1601-1621, 2011. [doi]

Abstract

Abstract is missing.