基于改进蝴蝶优化算法的瑞利波频散曲线反演方法

彭刘亚, 冯伟栋, 解惠婷, 李飞, 杨源源, 曹均锋, 任川

An improved butterfly optimization algorithm in the inversion of Rayleigh wave dispersion curve

PENG Liu-Ya, FENG Wei-Dong, XIE Hui-Ting, LI Fei, YANG Yuan-Yuan, CAO Jun-Feng, REN Chuan

表1 测试函数

Table 1 Test functions

函数名称	数学表达式	变量个数	搜索空间
Sphere	f(x)= $\overset{n}{\sum_{i = 1}} x_{i}^{2}$	30	[-100,100]
Schwefel 2.22	f(x)= $\overset{n}{\sum_{i = 1}} \|x_{i}\|$ + $\overset{n}{\prod_{i = 1}} \|x_{i}\|$	30	[-10,10]
Griewank	f(x)=1+ $\frac{1}{4000} \overset{n}{\sum_{i = 1}} x_{i}^{2}$ - $\overset{n}{\prod_{i = 1}}$ cos( $\frac{x_{i}}{\sqrt{i}}$ )	30	[-600,600]
Rastrigin	f(x)= $\overset{n}{\sum_{i = 1}} [x_{i}^{2} - 10 c o s (2 π x_{i}) + 10]$	30	[-5.12,5.12]