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 4 $U^n_h$在$t = 1.0$的结果,其中$\tau = 5h^2$
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$m\times m$ | $G_1$ | Order | $G_2$ | Order | $10\times10$ | 4.0965$\times10^{-2}$ | --- | 2.4049$\times10^{-3}$ | --- | $20\times20$ | 2.0316$\times10^{-2}$ | 1.0118 | 5.9393$\times10^{-4}$ | 2.0176 | $40\times40$ | 1.0137$\times10^{-2}$ | 1.0029 | 1.4782$\times10^{-4}$ | 2.0064 |
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