cd_binary_binary: added gibbs sampling

2026-01-01 20:02:22 +01:00
parent e67207504b
commit 8b97350564
3 changed files with 7 additions and 6 deletions
@@ -100,8 +100,10 @@ def cd_binary_binary(entity: Entity, data_pos: Mat, params: TrainingParams):
 	data_neg = prob(entity.v_given_h(h_probs_pos))
 	h_probs_neg = prob(entity.h_given_v(data_neg))

-	# Gibbs	sampling with training params
-	# ToDo
+	# Gibbs	sampling
+	for _ in range(params.num_gibbs_samples-1):
+		data_neg = prob(entity.v_given_h(h_probs_neg))
+		h_probs_neg = prob(entity.h_given_v(data_neg))

 	# Update weights (negative phase)
 	dw -= np.dot(np.transpose(data_neg), h_probs_neg)