[RBM]

- pulled LayerArray out of RbmComponent

git-svn-id: http://moon:8086/svn/software/trunk/projects/RBM@293 b431acfa-c32f-4a4a-93f1-934dc6c82436

Source/Rbm.hpp

@@ -238,7 +238,6 @@ public:
 		MatrixXd sumBiasH(1, m_w.getNumHidden());
 		MatrixXd sumWeights(m_w.getNumVisible(), m_w.getNumHidden());
 
-		MatrixXd deltaVar(MatrixXd::Zero(1, m_w.getNumVisible()));
 		MatrixXd deltaBiasV(MatrixXd::Zero(1, m_w.getNumVisible()));
 		MatrixXd deltaBiasH(MatrixXd::Zero(1, m_w.getNumHidden()));
 		MatrixXd deltaWeights(MatrixXd::Zero(m_w.getNumVisible(), m_w.getNumHidden()));
@@ -303,7 +302,7 @@ public:
 					}
 				}
 
-				// Create hidden reconstruction given v
+				// Create hidden representation given v
 				toHiddenBatch(m_h, m_v);
 				probsLogistic(m_h);
 			}
@@ -329,8 +328,8 @@ public:
 
 			if (m_doSparse)
 			{
-				m_h = m_v * m_w.weights();
-				m_h += m_w.hiddenBias().replicate(batchSize, 1);
+				// Create hidden representation given v
+				toHiddenBatch(m_h, m_v);
 				probsLogistic(m_h);
 
 				sumBiasH.fill(m_sparsity);
@@ -515,6 +514,11 @@ public:
 		return m_v;
 	}
 
+	MatrixXd const& getBatch()
+	{
+		return m_batch;
+	}
+	
 private:
 	Weights &m_w;
 	MatrixXd const &m_batch;