A structure-preserving Jacobi algorithm for quaternion Hermitian eigenvalue problems

A structure-preserving Jacobi algorithm for quaternion Hermitian eigenvalue problems
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四元数埃尔米特特征值问题的保结构雅可比算法

DOI:
10.1016/j.camwa.2017.10.009
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发表时间:
2017-11
影响因子:
2.9
通讯作者:
Bai Zheng-Jian
Bai Zheng-Jian
中科院分区:
数学2区
文献类型:
--
作者:
Ma Ruru;Jia Zhigang;Bai Zheng-Jian

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针对四元数厄米特矩阵的特征值问题,提出了一种新的保实结构Jacobi算法。通过使用广义JRS-辛雅可比旋转,新的四元数雅可比算法可以保持四元数厄米特矩阵的实对偶的对称性和JRS-对称性。此外,该算法只包含实数运算,没有进行扩维,总体上优于现有的算法。数值实验结果表明了该方法的有效性和准确性。
A new real structure-preserving Jacobi algorithm is proposed for solving the eigenvalue problem of quaternion Hermitian matrix. By employing the generalized JRS-symplectic Jacobi rotations, the new quaternion Jacobi algorithm can preserve the symmetry and JRS-symmetry of the real counterpart of quaternion Hermitian matrix. Moreover, the proposed algorithm only includes real operations without dimension-expanding and is generally superior to the state-of-the-art algorithm. Numerical experiments are reported to indicate its efficiency and accuracy.
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