Changeset 2382 for trunk/yat/utility/PCA.h

Timestamp:

Dec 21, 2010, 2:16:58 PM (11 years ago)

Author:

Peter

Message:

merged patch release 0.6.3 into trunk.

Location:

trunk

Files:

• . (modified) (1 prop)
• yat/utility/PCA.h (modified) (3 diffs)

trunk/yat/utility/PCA.h

@@ -10 +10 @@
   Copyright (C) 2006 Jari Häkkinen
   Copyright (C) 2007, 2008 Jari Häkkinen, Peter Johansson
+  Copyright (C) 2010 Peter Johansson
 
   This file is part of the yat library, http://dev.thep.lu.se/yat
@@ -43 +44 @@
      this space, all Nx1 vectors will have dimension Mx1. Hence
      the projection will have dimension MxM where each column is 
-     a point in the new space. Also, it assumes that M>N. The opposite
-     problem is added in the functions: process_transposed_problem and
-     projection_transposed()...
+     a point in the new space.
+
+     \note Currently number of rows, N, must be larger (or equal) than
+     number of columns, M.
   */
   class PCA
@@ -89 +91 @@
        3: Calculate eigenvalues according to \n 
           \f$ \lambda_{ii} = s_{ii}/N_{rows} \f$ \n
-       4: Sort eigenvectors (from matrix V) according to descending eigenvalues\n
     */
     void process(void);