By using this new expression, we derive a perturbation bound for the subunitary polar factor for any unitarily invariant norm.

本文证明了此方程存在唯一的正定解，并推导出此正定解的扰动边界和条件数的显式表达式。

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By using this new expression, we derive a perturbation bound for the subunitary polar factor for any unitarily invariant norm.

本文证明了此方程存在唯一的正定解，并推导出此正定解的扰动边界和条件数的显式表达式。

youdao