黄金分割法：机械优化设计，一维搜索中，求最小值-Golden section method: mechanical optimal design, one-dimensional search, find the minimum

共轭梯度法，用于机械优化设计中的无约束优化方法的求法，基于二元函数。-Conjugate gradient method, the optimum design of the machine used for unconstrained optimization method the method, based on binary function.