python粒子群优化算法函数
时间: 2023-09-27 13:08:55 浏览: 92
对于粒子群优化算法(Particle Swarm Optimization, PSO),可以使用Python来实现一个函数。下面是一个示例的Python代码:
```python
import numpy as np
def pso(cost_func, num_particles, num_dimensions, max_iterations, bounds):
# 初始化粒子群的位置和速度
particles_pos = np.random.uniform(bounds < global_best_cost:
global_best_cost = particles_cost = (inertia_weight * particles_vel[i +
cognitive_weight * r1 * (particles_best_pos[i - particles_pos[i]) +
social_weight * r2 * (global_best_pos - particles_pos[i]))
# 防止速度超出范围
particles_vel[i = np.clip(particles_vel[i], bounds += particles_vel[i]
# 防止位置超出范围
particles_pos = np.clip(particles_pos, bounds
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