Easy fix for #355.

2014-06-26 22:39:06 +00:00
parent ab276666e1
commit fa80c3f809
1 changed files with 1 additions and 1 deletions
@@ -44,8 +44,8 @@ void KernelPCA<KernelType>::Apply(const arma::mat& data,
  // center the data. So, we perform a "psuedo-centering" using the kernel
  // matrix.
  arma::rowvec rowMean = arma::sum(kernelMatrix, 0) / kernelMatrix.n_cols;
-  kernelMatrix.each_row() -= rowMean;
  kernelMatrix.each_col() -= arma::sum(kernelMatrix, 1) / kernelMatrix.n_cols;
+  kernelMatrix.each_row() -= rowMean;
  kernelMatrix += arma::sum(rowMean) / kernelMatrix.n_cols;

  // Eigendecompose the centered kernel matrix.