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23-07-06

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code space용 설정 파일 추가
mutation 설정 - 특정 확률로 파티클의 위치를 랜덤하게 방향 조정
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jung-geun
2023-07-06 20:46:38 +09:00
parent 9aab259970
commit 4170100bd1
6 changed files with 74 additions and 15 deletions
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13
pso/particle.py
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@@ -150,9 +150,11 @@ class Particle:
+ local_rate * r0 * (encode_p - encode_w)
+ global_rate * r1 * (encode_g - encode_w)
)
if np.random.rand() < self.mutation:
new_v += 0.5 * encode_v
if np.random.rand() < self.mutation:
m_v = np.random.uniform(-0.1, 0.1, len(encode_v))
new_v = m_v
self.velocities = self._decode(new_v, w_sh, w_len)
del encode_w, w_sh, w_len
@@ -193,8 +195,11 @@ class Particle:
+ local_rate * r0 * (w_p * encode_p - encode_w)
+ global_rate * r1 * (w_g * encode_g - encode_w)
)
if self.mutation:
new_v += 0.5 * encode_v
if np.random.rand() < self.mutation:
m_v = np.random.uniform(-0.1, 0.1, len(encode_v))
new_v = m_v
self.velocities = self._decode(new_v, w_sh, w_len)
del encode_w, w_sh, w_len