[RBM]

- moved sigma and mean from WEIGHTS to RBM
- use Gibbs slider also for reconstruction draw


git-svn-id: http://moon:8086/svn/software/trunk/projects/RBM@287 b431acfa-c32f-4a4a-93f1-934dc6c82436

Source/Weights.hpp

@@ -80,8 +80,6 @@ public:
 		m_numHidden = numHidden;
 
 		m_w.resize(m_numVisible, m_numHidden);
-		m_sigma.resize(m_numVisible);
-		m_mean.resize(m_numVisible);
 		m_bv.resize(m_numVisible);
 		m_bh.resize(m_numHidden);
 		shuffle(1.0);
@@ -92,25 +90,8 @@ public:
 		uint32_t i, j;
 		double kdev = stdDev*sqrt(12.0);
 
-		for (i=0; i < m_numVisible; i++)
-		{
-			m_sigma(i) = 1; //kdev*Noise_Uniform(&m_noise);
-		}
-
-		for (i=0; i < m_numVisible; i++)
-		{
-			m_mean(i) = 0; //kdev*Noise_Uniform(&m_noise);
-		}
-
-		for (i=0; i < m_numVisible; i++)
-		{
-			m_bv(i) = 0; //kdev*Noise_Uniform(&m_noise);
-		}
-
-		for (j=0; j < m_numHidden; j++)
-		{
-			m_bh(j) = 0; //kdev*Noise_Uniform(&m_noise);
-		}
+		m_bv.array().fill(Noise_Uniform(&m_noise));
+		m_bh.array().fill(Noise_Uniform(&m_noise));
 
 		for (i=0; i < m_numVisible; i++)
 		{
@@ -126,8 +107,6 @@ public:
 		m_bv = rhs.m_bv;
 		m_bh = rhs.m_bh;
 		m_w = rhs.m_w;
-		m_sigma = rhs.m_sigma;
-		m_mean = rhs.m_mean;
 
 		return *this;
 	}
@@ -142,16 +121,6 @@ public:
 		return m_bv;
 	}
 
-	RowVectorXd& sigma()
-	{
-		return m_sigma;
-	}
-
-	RowVectorXd& mean()
-	{
-		return m_mean;
-	}
-
 	RowVectorXd& hiddenBias()
 	{
 		return m_bh;
@@ -294,8 +263,6 @@ private:
 	MatrixXd m_w;
 	RowVectorXd m_bv;
 	RowVectorXd m_bh;
-	RowVectorXd m_sigma;
-	RowVectorXd m_mean;
 
 	void free()
 	{