提出了求解无约束最优化问题基于Armijo线搜索的一个修正PRP共轭梯度法,在适当条件下,证明了该算法的全局收敛性.最后给出数值实验说明算法的有效性.
Based on the Armijo linear search, a modified PRP conjugate gradient method is presented. And the global convergence of the algorithm is proved under suitable conditions. Some numerical results are reported, which confirms the effectiveness of the proposed technique.