- better error report

git-svn-id: http://moon:8086/svn/software/trunk/projects/RBM@597 b431acfa-c32f-4a4a-93f1-934dc6c82436
2019-10-28 23:09:33 +00:00
parent 1d02f08242
commit 2ac8d27e75
1 changed files with 5 additions and 2 deletions
@@ -261,11 +261,14 @@ void Rbm::train(size_t numEpochs, size_t miniBatchSize, bool &doStop)
 	
 	updateHiddenBatch();
 	
-	MatrixXd vis = m_h * m_w.weights().transpose();
+	MatrixXd h = __batch * m_w.weights();
+	h += m_w.hiddenBias().replicate(__batch.rows(), 1);
+	
+	MatrixXd vis = h * m_w.weights().transpose();
 	vis += m_w.visibleBias().replicate(__batch.rows(), 1);
 	MatrixXd diffErr = __batch - probsLogistic(vis);
 	diffErr.array() *= diffErr.array();
-	double err = diffErr.colwise().sum().mean();
+	double err = diffErr.array().mean();
 	cout << "error (total) = " << err << endl;

 	onProgressChanged();