| 极分解中半正定因子的扰动界 |
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| 引用本文： | 刘畅,周端美,伍国兴.极分解中半正定因子的扰动界[J].哈尔滨师范大学自然科学学报,2011,27(5):27-29. |
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| 作者姓名： | 刘畅 周端美 伍国兴 |
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| 作者单位： | 东北林业大学 |
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| 摘 要： | 设A是m×n阶复矩阵,A=QH为A的极分解,其中Q是m×n阶的极因子,H是n×n阶半正定的Hermite矩阵.改进和推广了当前极分解中H因子的相关结论.
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| 关 键 词： | 极分解 H因子 扰动界 |
The Perturbation Bounds of the Nonnegative Definite Factor in the Polar Decomposition |
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| Liu Chang,Zhou Duanmei,Wu Guoxing.The Perturbation Bounds of the Nonnegative Definite Factor in the Polar Decomposition[J].Natural Science Journal of Harbin Normal University,2011,27(5):27-29. |
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| Authors: | Liu Chang Zhou Duanmei Wu Guoxing |
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| Institution: | (Northeast Forest University) |
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| Abstract: | Let A be an m×n complex matrix. The decomposition A = QH is termed a polar decomposition of A, where Q is an m×n polar factor and H is a positive semidefinite Hermitian matrix. In this paper, some results corresponding to the H -factor are improved. |
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| Keywords: | Polar decomposition H - factor Perturbation bound |
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