一类非线性抛物方程H1-Galerkin混合有限元方法的高精度分析
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王俊俊,杨晓侠
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Superconvergence Analysis of an H1-Galerkin Mixed Finite Element Method for Nonlinear Parabolic Equation
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Junjun Wang,Xiaoxia Yang
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表 2 $U^n_h$在$t = 0.5$的结果,其中$\tau = 5h^2$
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$m\times m$ | $G_1$ | Order | $G_2$ | Order | $10\times10$ | 2.4810$\times10^{-2}$ | --- | 1.1182$\times10^{-3}$ | --- | $20\times20$ | 1.2318$\times10^{-2}$ | 1.0102 | 2.8110$\times10^{-4}$ | 1.9920 | $40\times40$ | 6.1481$\times10^{-3}$ | 1.0026 | 7.0349$\times10^{-5}$ | 1.9985 |
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