基于自适应采样的复杂模型全局近似
殷小亮,钱承

Global approximation of complex model based on adaptive sampling
Xiao-liang YIN,Cheng QIAN
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
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