The expression and description of space surface is demonstrated. Invariant moments are used to describe the surface.
讨论空间曲面的表达和描述方法，给出了利用不变矩描述空间曲面的方法。
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。
Serializes the given object into an expression appropriate for the invariant culture.
将给定对象序列化为适合于固定区域性的表达式。
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