Changeset 659 for trunk/c++_tools/classifier/KernelLookup.h

Timestamp:

Sep 26, 2006, 3:44:24 PM (16 years ago)

Author:

Peter

Message:

fixes #147 and #136

File:

• trunk/c++_tools/classifier/KernelLookup.h (modified) (2 diffs)

trunk/c++_tools/classifier/KernelLookup.h

@@ -217 +217 @@
 
     ///
-    /// Weighted version of element function. Using weights @a w all
-    /// identical to unity results in same as using the unweighted
-    /// version above. 
+    /// Function to calculate a new Kernel element using the
+    /// underlying KernelFunction. The value is calulated between @a
+    /// vec and the data vector of the \f$ i \f$ th sample, in other
+    /// words, the sample corresponding to the \f$ i \f$ th row or
+    /// \f$ i \f$ th column. In case KernelLookup is a sub-Kernel and not
+    /// symmetric, the kernel value is calculated between @a vec and
+    /// the data vector corresponding to \f$ i \f$ th row.
     ///
     inline double element(const DataLookupWeighted1D& vec, const size_t i) const
@@ -240 +244 @@
     inline bool weighted(void) const { return kernel_->weighted(); }
 
+    inline const Kernel* kernel(void) const { return kernel_; }
+    
   private:
     const KernelLookup& operator=(const KernelLookup&);