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Created in January 21, 2025

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Postprocessing Diagram

  • 图 1：后处理误差示意图。点 A 表示后处理前的解 $u_h$，点 B 表示投影后的解 $\tilde{u}_h$，点 C 为精确解 $u$。误差 $\tilde{e}_h^{n+1}$（AC）和 $e_h^{n+1}$（BC）满足压缩映射关系 $ |BC| \leq |AC| $。*


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