用非光滑牛顿算法求解绝对值方程

用非光滑牛顿法计算f=Ax-|x|-b的零点；

f_是f的光滑函数；

by wax；

终止条件为 ||f(xk)||<1e-6 -Non-smooth Newton algorithm for solving the absolute value equation with non-smooth Newton method f = Ax-| x |-b zero　 f_ is a smooth function of f　 by wax　　 termination condition | | f ( xk) | | < 1e-6