基于自适应采样的复杂模型全局近似
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殷小亮,钱承
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Global approximation of complex model based on adaptive sampling
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Xiao-liang YIN,Cheng QIAN
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| 表 2 在不同采样数量情况下3种方法构造的函数近似模型精度对比 |
| Tab.2 Accuracy comparison of function approximation models constructed by three methods under different sampling numbers |
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| S | R1 | | R2 | | R3 | | R4 | | LHCS | ASRS | ASCGA | LHCS | ASRS | ASCGA | LHCS | ASRS | ASCGA | LHCS | ASRS | ASCGA | | 25 | 27.471 | 25.535 | 25.498 | | 0.178 | 0.107 | 0.106 | | — | — | — | | — | — | — | | 50 | 23.707 | 9.8004 | 7.8934 | 0.128 | 0.044 | 0.044 | — | — | — | — | — | — | | 75 | 17.608 | 5.7585 | 5.6250 | 0.066 | 0.040 | 0.027 | — | — | — | — | — | — | | 100 | 14.416 | 2.9364 | 2.9280 | 0.058 | 0.029 | 0.023 | 3.378 | 5.279 | 6.3039 | 1.136 | 1.294 | 1.1825 | | 125 | 12.511 | 1.8283 | 1.7880 | 0.045 | 0.013 | 0.011 | — | — | — | — | — | — | | 150 | 7.1561 | 1.4775 | 1.5980 | 0.024 | 0.010 | 0.009 | — | — | — | — | — | — | | 200 | — | — | — | — | — | — | 2.847 | 3.430 | 3.553 | 0.986 | 1.132 | 0.905 0 | | 300 | — | — | — | — | — | — | 2.283 | 2.877 | 2.934 | 0.859 | 1.584 | 0.843 0 | | 400 | — | — | — | — | — | — | 2.138 | 2.422 | 2.102 | 0.760 | 1.338 | 0.768 0 | | 500 | — | — | — | — | — | — | 1.618 | 1.994 | 1.515 | 0.703 | 1.330 | 0.700 0 |
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