本程序为线性方程组的matlab代码，主要比较了CG,Lanczos和MINRES三种方法解方程Ax=b的效果。-This program is linear equations matlab code, the main comparison of CG, Lanczos and MINRES three ways to solve the equation Ax = b in effect.

分别包含了雅克比法、超松弛（sor）法、共轭梯度法（cg）以及broyden法以及newton法解方程-solving equations by the method of Jocobe、SOR、CG、Broyden、Newton in matlab

最优化算法 牛顿CG算法的matlab实现-Newton optimization algorithm CG algorithm matlab implementation