黄金分割 是一种很实用的分割 现在被广泛运用-Golden is a very useful split is now widely used

黄金分割法的功用是求出一维函数在区间内的最优步长.为后期的求解最优解做铺垫.-The function of the law of the golden section is obtained a one-dimensional function within the interval optimal stepsize pave the way for solving the optimal solution for the late.