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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<HTML>
<HEAD>
   <TITLE>class  Kernel</TITLE>
   <META NAME="GENERATOR" CONTENT="DOC++ 3.4.8">
</HEAD>
<BODY BGCOLOR="#ffffff">

<H2>class  <A HREF="#DOC.DOCU">Kernel</A></H2></H2><BLOCKQUOTE>Kernel class.</BLOCKQUOTE>
<HR>

<H2>Inheritance:</H2>
<APPLET CODE="ClassGraph.class" WIDTH=600 HEIGHT=185>
<param name=classes value="CObject,MObject.html,CKernel,MKernel.html,CSigmoidKernel,MSigmoidKernel.html,CPolynomialKernel,MPolynomialKernel.html,CGaussianKernel,MGaussianKernel.html,CDotKernel,MDotKernel.html">
<param name=before value="M,M,M|_,MR_,MR_,Mr_">
<param name=after value="Md_,M,M,M,M,M">
<param name=indent value="0,1,1,1,1,1">
<param name=arrowdir value="down">
</APPLET>
<HR>

<DL>
<P><DL>
<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.19.1">Kernel</A></B>(<!1><A HREF="DataSet.html">DataSet</A>* data_)
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual   real <B><A HREF="#DOC.19.2">eval</A></B>(int i, int j) = 0
<DD><I>Kernel between the example <TT>i</TT> and <TT>j</TT> of the dataset.</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual   real <B><A HREF="#DOC.19.3">realEval</A></B>(int i, <!1><A HREF="List.html">List</A>* <!1><A HREF="QCMachine.html#DOC.40.7">y</A>) = 0
<DD><I>Kernel between the example <TT>i</TT> of the dataset and one example <TT>y</TT>.</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual   void <B><A HREF="#DOC.19.4">reset</A></B>()
<DD><I>Reset the kernel (Default, do nothing)</I>
</DL></P>

</DL>
<HR><H3>Inherited from <A HREF="Object.html">Object</A>:</H3>
<DL>
<P><DL>
<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>virtual   void <B>init</B>()
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>addOption</B>(const char* <!1><A HREF="SeqExample.html#DOC.107.9">name</A>, int size, void* <!1><A HREF="Vec.html#DOC.81.3">ptr</A>, const char* <!1><A HREF="CmdLine.html#DOC.7.3">help</A>="", bool is_allowed_after_init=false)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>addIOption</B>(const char* <!1><A HREF="SeqExample.html#DOC.107.9">name</A>, int* <!1><A HREF="Vec.html#DOC.81.3">ptr</A>, int init_value, const char* <!1><A HREF="CmdLine.html#DOC.7.3">help</A>="", bool is_allowed_after_init=false)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>addROption</B>(const char* <!1><A HREF="SeqExample.html#DOC.107.9">name</A>, real* <!1><A HREF="Vec.html#DOC.81.3">ptr</A>, real init_value, const char* <!1><A HREF="CmdLine.html#DOC.7.3">help</A>="", bool is_allowed_after_init=false)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>addBOption</B>(const char* <!1><A HREF="SeqExample.html#DOC.107.9">name</A>, bool* <!1><A HREF="Vec.html#DOC.81.3">ptr</A>, bool init_value, const char* <!1><A HREF="CmdLine.html#DOC.7.3">help</A>="", bool is_allowed_after_init=false)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>setOption</B>(const char* <!1><A HREF="SeqExample.html#DOC.107.9">name</A>, void* <!1><A HREF="Vec.html#DOC.81.3">ptr</A>)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>setIOption</B>(const char* <!1><A HREF="SeqExample.html#DOC.107.9">name</A>, int option)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>setROption</B>(const char* <!1><A HREF="SeqExample.html#DOC.107.9">name</A>, real option)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>setBOption</B>(const char* <!1><A HREF="SeqExample.html#DOC.107.9">name</A>, bool option)
<DT>
<IMG ALT="o" SRC=icon2.gif>virtual   void <B>loadFILE</B>(FILE* <!1><A HREF="Measurer.html#DOC.30.2">file</A>)
<DT>
<IMG ALT="o" SRC=icon2.gif>virtual   void <B>saveFILE</B>(FILE* <!1><A HREF="Measurer.html#DOC.30.2">file</A>)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>load</B>(const char* filename)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>save</B>(const char* filename)
</DL></P>

</DL>

<A NAME="DOC.DOCU"></A>
<HR>
<H2>Documentation</H2>
<BLOCKQUOTE>Kernel class.
Note that all kernels are based on the <TT>dotProduct</TT>
of their associated <TT>DataSet</TT>.

<P></BLOCKQUOTE>
<DL>

<A NAME="Kernel"></A>
<A NAME="DOC.19.1"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> Kernel(<!1><A HREF="DataSet.html">DataSet</A>* data_)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="eval"></A>
<A NAME="DOC.19.2"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual   real eval(int i, int j) = 0</B></TT>
<DD>Kernel between the example <TT>i</TT> and <TT>j</TT> of the dataset.
This function takes in account the <TT>selected_examples</TT>
of the dataset.
<DL><DT><DD></DL><P>
<A NAME="realEval"></A>
<A NAME="DOC.19.3"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual   real realEval(int i, <!1><A HREF="List.html">List</A>* <!1><A HREF="QCMachine.html#DOC.40.7">y</A>) = 0</B></TT>
<DD>Kernel between the example <TT>i</TT> of the dataset and
one example <TT>y</TT>. The structure of <TT>y</TT> <EM>must</EM>
be the same as those generated in <TT>inputs</TT> by
the dataset <TT>data</TT>.
Note that this function don't care about the <TT>selected_examples</TT>
of the dataset: <TT>i</TT> is a <EM>real</EM> index.
<DL><DT><DD></DL><P>
<A NAME="reset"></A>
<A NAME="DOC.19.4"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual   void reset()</B></TT>
<DD>Reset the kernel (Default, do nothing)
<DL><DT><DD></DL><P></DL>
<HR>
<DL><DT><B>Direct child classes:
</B><DD><A HREF="SigmoidKernel.html">SigmoidKernel</A><BR>
<A HREF="PolynomialKernel.html">PolynomialKernel</A><BR>
<A HREF="GaussianKernel.html">GaussianKernel</A><BR>
<A HREF="DotKernel.html">DotKernel</A><BR>
</DL>

<DL><DT><DT><B>Author:</B><DD>Ronan Collobert (collober@iro.umontreal.ca)
<DD></DL><P><P><I><A HREF="index.html">Alphabetic index</A></I> <I><A HREF="HIER.html">HTML hierarchy of classes</A> or <A HREF="HIERjava.html">Java</A></I></P><HR>
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