This paper is devoted to some numerical optimization methods and optimization models for solving practical problems in real world . the methods we concern with are the conjugate gradient algorithms, evolutionary algorithms and goal programming 本文对近年来备受关注的几类最优化方法(共轭梯度算法、进化算法和目标规划法)的理论性质及应用进行了研究,主要研究成果如下:1