求解对称非线性方程组的最速下降-DY混合共轭梯度法

冬梅 沈

摘要


针对对称非线性方程组的求解问题，论文提出了一种具有下降性质的最速下降 -DY 混合无导数型共轭梯度法，并在较弱的条件下，证明了算法的全局收敛性。最后，通过数值实验证明了该算法的有效性。

关键词


对称非线性方程组；无导数算法；全局收敛性；混合共轭梯度法

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参考


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DOI: https://doi.org/10.12346/sde.v4i3.6060

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