提供一个算法类，算法实现基于Softassign结合Procrustes距离的点对匹配方法-provide an algorithm category, Algorithm-based Softassign Procrustes distance from the light points of matching method

黎曼流形上的优化算法。目标函数定义在黎曼流形上，在流形上利用梯度下降等进行优化-Provides four iterations for optimization on the Steifel and Grassmann manifolds: dog-leg steps Polak-Ribiere nonlinear CG Fletcher-Reeves nonlinear CG Newton s method Contains applications for n

3维形状建摸的好文章，即顶尖会议ICCV2013上的论文-EM-GPA: Generalized Procrustes analysis with hidden variables for 3D shape modeling

this code is a mesh alignment matlab code .