Changeset 523 for trunk/lib/classifier/Kernel_SEV.cc

Timestamp:

Feb 23, 2006, 9:52:04 AM (16 years ago)

Author:

Peter

Message:

add prediction functions to SVM

File:

• trunk/lib/classifier/Kernel_SEV.cc (modified) (1 diff)

trunk/lib/classifier/Kernel_SEV.cc

@@ -12 +12 @@
 
 
-Kernel_SEV::Kernel_SEV(const gslapi::matrix& data, const KernelFunction& kf)
-  : Kernel(data,kf)
-{
-  kernel_matrix_ = gslapi::matrix(data.columns(),data.columns());
-  for (size_t i=0; i<kernel_matrix_.rows(); i++) 
-    for (size_t j=i; j<kernel_matrix_.columns(); j++) 
-      kernel_matrix_(i,j) = kernel_matrix_(j,i) =
-        (*kf_)(gslapi::vector(data_,i,false),gslapi::vector(data_,j,false));
-}
+  Kernel_SEV::Kernel_SEV(const gslapi::matrix& data, const KernelFunction& kf)
+    : Kernel(data,kf)
+  {
+    kernel_matrix_ = gslapi::matrix(data.columns(),data.columns());
+    for (size_t i=0; i<kernel_matrix_.rows(); i++) 
+      for (size_t j=i; j<kernel_matrix_.columns(); j++) 
+        kernel_matrix_(i,j) = kernel_matrix_(j,i) =
+          (*kf_)(gslapi::vector(data_,i,false),gslapi::vector(data_,j,false));
+  }
+
+  double Kernel_SEV::element(const gslapi::vector& vec, const size_t i) const
+  { 
+    return kf_->operator()(vec, gslapi::vector(data_,i)); 
+  }