极分解中半正定因子的扰动界
겁분해중반정정인자적우동계
The Perturbation Bounds of the Nonnegative Definite Factor in the Polar Decomposition
  • 万方数据
    哈尔滨师范大学自然科学学报 합이빈사범대학자연과학학보
    NATURAL SCIENCES JOURNAL OF HARBIN NORMAL UNIVERSITY
    2011年 5期 27-29 ,共3页

    刘畅%周端美%伍国兴

    류창%주단미%오국흥

    极分解%H因子%扰动界 極分解%H因子%擾動界
    겁분해%H인자%우동계
    Polar decomposition%H - factor%Perturbation bound
    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.
    설A시m×n계복구진,A=QH위A적겁분해,기중Q시m×n계적겁인자,H시n×n계반정정적Hermite구진.개진화추엄료당전겁분해중H인자적상관결론.
    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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