LM算法 老外写的The Levenberg-Marquardt (LM) algorithm is the most widely used optimization algorithm. It outperforms simple gradient descent and other conjugate gradient methods in a wide variety of problems. This document aims to provide an intuitiv

reduces to a standard Hamilton-Jacobi equation. There are several major advantages to this formulation. The rst is that (x y t) always remains a function as long as F is smooth. As the surface  evolves, the curve C may break, merge, and chan