一类分数阶Langevin方程预估校正算法的数值分析
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蒲琳涓,杨晓忠,孙淑珍
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Numerical Analysis of a Class of Fractional Langevin Equation by Predictor-Corrector Method
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Linjuan Pu,Xiaozhong Yang,Shuzhen Sun
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表 1 真解和预估校正算法数值解的误差及收敛阶
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$\alpha$ | $h$ | $e(h)$ | $\gamma$ | $\alpha$ | $h$ | $e(h)$ | $\gamma$ | | 0.005 | 0.0034 | | | 0.005 | 0.0010 | | | 0.008 | 0.0105 | | | 0.008 | 0.0028 | | 0.1 | 0.01 | 0.0117 | 1.0732 | 0.3 | 0.01 | 0.0026 | 1.2005 | | 0.05 | 0.0638 | | | 0.05 | 0.0635 | | | 0.1 | 0.0941 | | | 0.1 | 0.018 | | | 0.005 | 0.0013 | | | 0.005 | 0.0012 | | | 0.008 | 0.0013 | | | 0.008 | 0.0022 | | 0.5 | 0.01 | 0.0032 | 1.3476 | 0.7 | 0.01 | 0.0041 | 1.5506 | | 0.05 | 0.0364 | | | 0.05 | 0.0578 | | | 0.1 | 0.0462 | | | 0.1 | 0.1037 | | | 0.005 | 0.0006 | | | | | | | 0.008 | 0.0007 | | | | | | 0.9 | 0.01 | 0.0015 | 1.8435 | | | | | | 0.05 | 0.0478 | | | | | | | 0.1 | 0.0850 | | | | | |
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