SimonBlanke /
Gradient-Free-Optimizers
| Total Complexity | 1 |
| Total Lines | 25 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
| 1 | import numpy as np |
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| 2 | from gradient_free_optimizers import DownhillSimplexOptimizer |
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| 3 | |||
| 4 | |||
| 5 | def sphere_function(para): |
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| 6 | x = para["x"] |
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| 7 | y = para["y"] |
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| 8 | |||
| 9 | return -(x * x + y * y) |
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| 10 | |||
| 11 | |||
| 12 | search_space = { |
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| 13 | "x": np.arange(-10, 10, 0.1), |
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| 14 | "y": np.arange(-10, 10, 0.1), |
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| 15 | } |
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| 16 | |||
| 17 | opt = DownhillSimplexOptimizer( |
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| 18 | search_space, |
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| 19 | alpha=1.2, |
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| 20 | gamma=1.1, |
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| 21 | beta=0.8, |
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| 22 | sigma=1, |
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| 23 | ) |
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| 24 | opt.search(sphere_function, n_iter=10000) |
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| 25 |
