利用Golub-Kahan双对角化方法求解参数化广义特征值反问题

Zeynab Dalvand, Mohammad Ebrahim Dastyar
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引用次数: 0

摘要

在这项研究中,我们提出了两种两步法来解决参数化广义特征值反问题,这些问题出现在计算和工程应用的各个领域。在(cid:12)的第一步,我们利用Golub-Kahan双对角化将特征值反问题转化为非线性方程组。第二步,利用牛顿法和拟牛顿法求解非线性方程组的数值解。最后给出了一些数值算例,表明本文方法适用于求解参数化特征值反问题。版权所有⃝2022沙希德Beheshti大学。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Solving parameterized generalized‎ ‎inverse eigenvalue problems via Golub-Kahan bidiagonalization
In this study, we present two two-step methods to solve parameterized generalized inverse eigenvalue problems that appear in diverse areas of computation and engineering applications. At the (cid:12)rst step, we transfer the inverse eigenvalue problem into a system of nonlinear equations by using of the Golub-Kahan bidiagonalization. At the second step, we use Newton’s and Quasi-Newton’s methods for the numerical solution of system of nonlinear equations. Finally, we present some numerical examples which show that our methods are applicable for solving the parameterized inverse eigenvalue problems. Copyright c ⃝ 2022 Shahid Beheshti University.
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