Nonlinear eigenvalue problems and contour integrals

Nonlinear eigenvalue problems and contour integrals
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DOI:
10.1016/j.cam.2015.07.012
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发表时间:
2016-01
期刊:
J. Comput. Appl. Math.
影响因子:
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通讯作者:
M. Barel;P. Kravanja
M. Barel;P. Kravanja
中科院分区:
其他
文献类型:
--
作者:
M. Barel;P. Kravanja

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本文给出了求解非线性特征值问题的Beyn算法的一种新的解释,并设计了一种变体,其中所需信息是通过Hankel张量的规范多矢分解来提取的。一个数值例子表明,滤波器函数的选择是非常重要的,特别是相对于它在复平面中的位置。
In this paper Beyn’s algorithm for solving nonlinear eigenvalue problems is given a new interpretation and a variant is designed in which the required information is extracted via the canonical polyadic decomposition of a Hankel tensor. A numerical example shows that the choice of the filter function is very important, particularly with respect to where it is positioned in the complex plane.