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 1 $U^n_h$在$t = 0.25$的结果,其中$\tau = 5h^2$
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$m\times m$ | $G_1$ | Order | $G_2$ | Order | $10\times10$ | 1.9233$\times 10^{-2}$ | --- | 3.0654$\times 10^{-4}$ | --- | $20\times20$ | 9.5820$\times10^{-3}$ | 1.0051 | 8.4333$\times10^{-5}$ | 1.8619 | $40\times40$ | 4.7867$\times10^{-3}$ | 1.0013 | 2.1579$\times10^{-5}$ | 1.9665 |
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