Bakhvalov-Shishkin网格上求解边界层问题的差分进化算法
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周琴,程立正
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Differential Evolution Algorithms for Boundary Layer Problems on Bakhvalov-Shishkin Mesh
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Qin Zhou,Lizheng Cheng
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表 4 算例1中β1取不同值的误差比较
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| 网格参数选取 | ε = 10-2 | ε = 10-5 | | N = 64 | N = 128 | N = 64 | N = 128 | | 差分进化算法 | 1.766E-02 | 9.068E-03 | 1.962E-02 | 9.778E-03 | | β1 = 2/3 | 2.486E-02 | 1.372E-02 | 3.956E+00 | 1.012E+00 | | β1 = 0.3 | 1.769E-02 | 9.075E-03 | 4.028E-02 | 1.185E-02 | | β1 = 0.1 | 2.676E-02 | 1.453E-02 | 2.734E-02 | 1.481E-02 |
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