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📄 knorm.html

📁 很好的matlab模式识别工具箱
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<html><head>  <meta HTTP-EQUIV="Content-Type" CONTENT="text/html;charset=ISO-8859-1">  <title>Contents.m</title><link rel="stylesheet" type="text/css" href="../stpr.css"></head><body><table  border=0 width="100%" cellpadding=0 cellspacing=0><tr valign="baseline"><td valign="baseline" class="function"><b class="function">KNORM</b><td valign="baseline" align="right" class="function"><a href="../kernels/index.html" target="mdsdir"><img border = 0 src="../up.gif"></a></table>  <p><b>Computes L2-norm in kernel space.
</b></p>  <hr><div class='code'><code><span class=help>
</span><br><span class=help>&nbsp;<span class=help_field>Synopsis:</span></span><br><span class=help>&nbsp;&nbsp;kn&nbsp;=&nbsp;knorm(X,Alpha,ker,arg)
</span><br><span class=help>
</span><br><span class=help>&nbsp;<span class=help_field>Description:</span></span><br><span class=help>&nbsp;&nbsp;kn&nbsp;=&nbsp;knorm(X,Alpha,ker,arg)&nbsp;computes&nbsp;kn&nbsp;=&nbsp;sqrt(Alpha'*K*Alpha)
</span><br><span class=help>&nbsp;&nbsp;&nbsp;where&nbsp;K&nbsp;=&nbsp;kernel(X,ker,arg)&nbsp;is&nbsp;the&nbsp;kernel&nbsp;matrix.
</span><br><span class=help>
</span><br><span class=help>&nbsp;<span class=help_field>Input:</span></span><br><span class=help>&nbsp;&nbsp;&nbsp;Alpha&nbsp;[num_data&nbsp;x&nbsp;1]&nbsp;Expansion&nbsp;coefficients&nbsp;(weights).
</span><br><span class=help>&nbsp;&nbsp;&nbsp;X&nbsp;[dim&nbsp;x&nbsp;num_data]&nbsp;Data&nbsp;vectors.
</span><br><span class=help>&nbsp;&nbsp;&nbsp;ker&nbsp;[string]&nbsp;Kernel&nbsp;identifier&nbsp;(see&nbsp;"help&nbsp;kernel").
</span><br><span class=help>&nbsp;&nbsp;&nbsp;arg&nbsp;[...]&nbsp;Kernel&nbsp;argument.
</span><br><span class=help>
</span><br><span class=help>&nbsp;<span class=help_field>Ouput:</span></span><br><span class=help>&nbsp;&nbsp;&nbsp;kn&nbsp;[1x1]&nbsp;Norm&nbsp;in&nbsp;the&nbsp;kernel&nbsp;space.
</span><br><span class=help>&nbsp;
</span><br><span class=help>&nbsp;See&nbsp;also:&nbsp;
</span><br><span class=help>&nbsp;&nbsp;KERNEL,&nbsp;KERNELPROJ.
</span><br><span class=help>
</span><br></code></div>  <hr>  <b>Source:</b> <a href= "../kernels/list/knorm.html">knorm.m</a>  <p><b class="info_field">About: </b>  Statistical Pattern Recognition Toolbox
<br> (C) 1999-2004, Written by Vojtech Franc and Vaclav Hlavac
<br> <a href="http://www.cvut.cz">Czech Technical University Prague</a>
<br> <a href="http://www.feld.cvut.cz">Faculty of Electrical Engineering</a>
<br> <a href="http://cmp.felk.cvut.cz">Center for Machine Perception</a>
<br>  <p><b class="info_field">Modifications: </b> 
<br> 08-oct-2004, created
<br></body></html>

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