- moved Rbm:prob() to Matutils::prob()

- Matutils::Normalize uses prob()

source/matutils.hpp

@@ -56,6 +56,11 @@ namespace Matutils
 	#endif	
 	}
 	
+	inline arma::mat prob(const arma::mat &src)
+	{
+		return 1 / (1 + (arma::exp(-src)));
+	}
+
 	inline arma::mat normalize(const arma::mat& src)
 	{
 		std::cout << "Normalizing Training Data ..." << std::endl;
@@ -63,7 +68,7 @@ namespace Matutils
 		// Dim = 0: Normalize over training all training pattern
 		// Dim = 1: Normalize over single training pattern
 		double k = 1;
-		size_t dim = 0;
+		size_t dim = 1;
 		arma::mat mean = arma::mean(src, dim);
 		arma::mat stddev = arma::stddev(src, 0, dim);
 
@@ -85,7 +90,7 @@ namespace Matutils
 		arma::mat y = xn/(std_mat + 1e-9);
 		std::cout << "mean" << "  : " << std::endl << arma::mean(y, dim) << std::endl;
 		std::cout << "stddev" << ": " << std::endl << arma::stddev(y, 0, dim) << std::endl;
-		return y;
+		return prob(y);
 	}
 
 	inline arma::mat char2vec(char c, size_t len)