中文说明：求反求参数（无约束非线性优化方法）的matlab实现无约束非线性优化算法-Powell法优化子程序matlab广义最小二乘算法程序
English Description：
Matlab realization of inverse parameters (unconstrained nonlinear optimization method) unconstrained nonlinear optimization algorithm Powell optimization subroutine matlab generalized least squares algorithm program