颗粒SWARM优化实现。
PyShoal的Python项目详细描述
pyshoal是python中<；粒子群优化>；的一个实现。
典型用法：
#!/usr/bin/env python
from pso import PSO
def rastrigin(a,b):
return 0- (10 * 2 + \
(a**2 - (10 * np.cos(2 * np.pi * a))) + \
(b**2 - (10 * np.cos(2 * np.pi * b))))
obj_func = rastrigin
o = PSO(obj_func = obj_func,
init_var_ranges = ((-500,500),(-500,500)),
n_parts = 144,
topo="gbest",
weights=[0.9, 0.4, 1.0, 2.5])
res = o.opt(max_itr = 100,
tol_thres = (0.01,0.01),
tol_win = 5,
plot = True,
save_plots=False)
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