【摘要】 本文结合FR算法和DY算法,给出了一类新的杂交共轭梯度算法,并结合Goldstein线搜索,在较弱的条件下证明了算法的收敛性．数值实验表明了新算法的有效性．更多还原

【Abstract】 In this paper, we propose a hybrid of conjugate gradient methods for unconstrained optimization based on Fletcher-Reeves Algorithm and Dai-Yuan Algorithm, which had taken the advantages of two Algorithms. The convergence of the new methods is proved with the Goldstein line search and without the descent condition . Numerical experiments show that the algorith is efficient.更多还原