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<html><head> <meta HTTP-EQUIV="Content-Type" CONTENT="text/html;charset=ISO-8859-1"> <title>diagker.m</title><link rel="stylesheet" type="text/css" href="../../m-syntax.css"></head><body><code><span class=defun_kw>function</span> <span class=defun_out>diagK </span>= <span class=defun_name>diagker</span>(<span class=defun_in> X, ker, arg </span>)<br><span class=h1>% DIAGKER Returns diagonal of kernel matrix of given data.</span><br><span class=help>%</span><br><span class=help>% <span class=help_field>Synopsis:</span></span><br><span class=help>% diagK = diagker( X, ker, arg )</span><br><span class=help>%</span><br><span class=help>% <span class=help_field>Description:</span></span><br><span class=help>% It returns the same vector as command</span><br><span class=help>% diagK = diag( kernel(X,ker,arg) )</span><br><span class=help>% </span><br><span class=help>% but it is more efficiently computed. See 'help kernel' </span><br><span class=help>% to more info about implemented kernels and their arguments.</span><br><span class=help>%</span><br><span class=help>% <span class=help_field>Input:</span></span><br><span class=help>% X [dim x num_data] Input data.</span><br><span class=help>% ker [string] Kernel identifier.</span><br><span class=help>% arg [1 x nargs] Kernel argument.</span><br><span class=help>%</span><br><span class=help>% <span class=help_field>Output:</span></span><br><span class=help>% diagK [num_data x 1] Diagonal of kernel matrix.</span><br><span class=help>%</span><br><span class=help>% See also </span><br><span class=help>% KERNEL.</span><br><span class=help>%</span><br><hr><span class=help1>% <span class=help1_field>About:</span> Statistical Pattern Recognition Toolbox</span><br><span class=help1>% (C) 1999-2003, Written by Vojtech Franc and Vaclav Hlavac</span><br><span class=help1>% <a href="http://www.cvut.cz">Czech Technical University Prague</a></span><br><span class=help1>% <a href="http://www.feld.cvut.cz">Faculty of Electrical Engineering</a></span><br><span class=help1>% <a href="http://cmp.felk.cvut.cz">Center for Machine Perception</a></span><br><br><span class=help1>% <span class=help1_field>Modifications:</span></span><br><span class=help1>% 5-may-2004, VF</span><br><br><hr><span class=comment>% MEX-File function. </span><br></code>?? 快捷鍵說明
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