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import numpy as np
from gradient_free_optimizers import DownhillSimplexOptimizer
def sphere_function(para):
x = para["x"]
y = para["y"]
return -(x * x + y * y)
search_space = {
"x": np.arange(-10, 10, 0.1),
"y": np.arange(-10, 10, 0.1),
}
opt = DownhillSimplexOptimizer(
search_space,
alpha=1.2,
gamma=1.1,
beta=0.8,
sigma=1,
)
opt.search(sphere_function, n_iter=10000)
SimonBlanke /
Gradient-Free-Optimizers
