In this paper, we investigate structured backward errors for two kinds of generalized saddle point systems. The explicit formulas of structured backward errors are derived, which are useful for testing the stability of practical algorithms.

中文翻译：

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两种广义鞍点系统的结构化后向误差

在本文中，我们研究了两种广义鞍点系统的结构化后向误差。推导了结构化后向误差的显式公式，这对于测试实际算法的稳定性很有用。