[mlpack-svn] r15838 - mlpack/trunk/src/mlpack/methods/linear_regression

[fastlab-svn at coffeetalk-1.cc.gatech.edu]

Author: rcurtin
Date: Thu Sep 26 10:34:55 2013
New Revision: 15838

Log:
Interesting that this compiles even though the sum of a dot product is a
meaningless expression.


Modified:
   mlpack/trunk/src/mlpack/methods/linear_regression/linear_regression.cpp

Modified: mlpack/trunk/src/mlpack/methods/linear_regression/linear_regression.cpp
==============================================================================
--- mlpack/trunk/src/mlpack/methods/linear_regression/linear_regression.cpp	(original)
+++ mlpack/trunk/src/mlpack/methods/linear_regression/linear_regression.cpp	Thu Sep 26 10:34:55 2013
@@ -93,7 +93,7 @@
       (arma::trans(parameters.subvec(1, parameters.n_elem - 1)) * predictors) +
       parameters(0));
 
-  const double cost = arma::sum(arma::dot(temp, temp)) / nCols;
+  const double cost = arma::dot(temp, temp) / nCols;
 
   return cost;
 }