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首先回顾了对角优势的产生背景，然后介绍了对角优势的概念和几种常用的对角优势化方法，并着重讨论了伪对角化方法及其改进。考虑到模型不确定性一定存在，还对鲁棒对角优势进行了说明。最后得出了关于对角优势的几点结论。
After reviewing the background of diagonal dominance, the conception of diagonal dominance and several commonly used methods of diagonal dominance are introduced. The pseudo-diagonalization method and its improvement are also discussed. Taking into account the uncertainty of the model must exist, but also illustrates the advantages of robust diagonal. Finally draw some conclusions on the diagonal advantage.