求解奇异问题的一个新的修正Levenberg-Marquardt方法A New Modified Levenberg-Marquardt Method for Singular Nonlinear Equations
禹德;马昌凤;
摘要(Abstract)：
基于信赖域技巧,给出了求解非线性方程组奇异问题的一个新的修正Levenberg-Marquardt方法.在弱于非奇异条件的局部误差界条件下,证明了该算法的全局收敛性和局部二次收敛性.数据测试结果表明该算法是有效的.
关键词(KeyWords)： 奇异非线性方程组;Levenberg-Marquardt方法;信赖域技巧;局部误差界;收敛性
基金项目(Foundation): 国家自然科学基金资助项目(11071041)
作者(Authors): 禹德;马昌凤;
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