牛顿法求解minf(x)=x1^3+x2^3-3(x1+x2)初始点x=(6,4)精度为0.05。可运行出结果，程序清晰，算法明确。-Newton method for solving min f (x) = x1 ^ 3+ x2 ^ 3-3 (x1+ x2) the initial point x = (6,4) accuracy of 0.05.It can run out the results 。 it s program is clear, and it s algorithm