An Efficient Dimer Method With Preconditioning And Linesearch
An Efficient Dimer Method With Preconditioning And Linesearch
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发表时间:
2014-07
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通讯作者:
N. Gould;C. Ortner;D. Packwood
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作者:
N. Gould;C. Ortner;D. Packwood
The dimer method is a Hessian-free algorithm for computing saddle points. We augment the method with a linesearch mechanism for automatic step size selection as well as preconditioning capabilities. We prove local linear convergence. A series of numerical tests demonstrate significant performance gains.