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次酉

次酉

次酉

1

The concept of K -sub-unitary matrix is proposed, and some decision theorems about K sub-unitary matrix are discussed .

给出了 K-次酉矩阵概念，讨论了 K-次酉矩阵的若干判定定理。

2

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

通过新的表达式，我们得到了次酉极因子在任何酉不变范数下的扰动界。

3

Relative Perturbation Bounds for the Subunitary Polar Factor Under Unitarily Invariant Norms

次酉极因子在酉不变范数下的相对扰动界

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