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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> <span class=help_field>Synopsis:</span></span><br><span class=help> kn = knorm(X,Alpha,ker,arg)
</span><br><span class=help>
</span><br><span class=help> <span class=help_field>Description:</span></span><br><span class=help> kn = knorm(X,Alpha,ker,arg) computes kn = sqrt(Alpha'*K*Alpha)
</span><br><span class=help> where K = kernel(X,ker,arg) is the kernel matrix.
</span><br><span class=help>
</span><br><span class=help> <span class=help_field>Input:</span></span><br><span class=help> Alpha [num_data x 1] Expansion coefficients (weights).
</span><br><span class=help> X [dim x num_data] Data vectors.
</span><br><span class=help> ker [string] Kernel identifier (see "help kernel").
</span><br><span class=help> arg [...] Kernel argument.
</span><br><span class=help>
</span><br><span class=help> <span class=help_field>Ouput:</span></span><br><span class=help> kn [1x1] Norm in the kernel space.
</span><br><span class=help>
</span><br><span class=help> See also:
</span><br><span class=help> KERNEL, 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
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