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<html><head> <meta HTTP-EQUIV="Content-Type" CONTENT="text/html;charset=ISO-8859-1"> <title>check2dgauss.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>res </span>= <span class=defun_name>check2dgauss</span>(<span class=defun_in>fname</span>)<br><span class=h1>% CHECK2DGAUSS Checks if given file containes bivariate Gaussians.</span><br><span class=help>%</span><br><span class=help>% <span class=help_field>Synopsis:</span></span><br><span class=help>% res = check2dgauss(fname)</span><br><span class=help>%</span><br><span class=help>% <span class=help_field>Description:</span></span><br><span class=help>% If the file 'fname' contains a matrix Mean [2 x ncomp],</span><br><span class=help>% a matrix Cov [2 x 2 x ncomp] and a vector y [1 x ncomp]</span><br><span class=help>% then it returns 1 else it returns 0.</span><br><span class=help>%</span><br><span class=help>% <span class=help_field>Input:</span></span><br><span class=help>% fname [string] File name.</span><br><span class=help>% </span><br><span class=help>% <span class=help_field>Output:</span></span><br><span class=help>% res [1x1] Equals to 1 if it is valid file otherwise 0.</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>% 1-may-2004, VF</span><br><span class=help1>% 13-Feb-2003, VF </span><br><br><hr>data=load( fname);<br><br><span class=keyword>if</span> ~isfield( data, <span class=quotes>'Mean'</span>), res=0; <span class=jump>return</span>; <span class=keyword>end</span><br><span class=keyword>if</span> ~isfield( data, <span class=quotes>'Cov'</span>), res=0; <span class=jump>return</span>; <span class=keyword>end</span><br><span class=keyword>if</span> ~isfield( data, <span class=quotes>'y'</span>), res=0; <span class=jump>return</span>; <span class=keyword>end</span><br><br><span class=keyword>if</span> size(data.Mean,1) ~= 2, res=0; <span class=jump>return</span>; <span class=keyword>end</span><br><span class=keyword>if</span> size(data.Cov,1) ~= 2, res=0; <span class=jump>return</span>; <span class=keyword>end</span><br><span class=keyword>if</span> size(data.Cov,2) ~= 2, res=0; <span class=jump>return</span>; <span class=keyword>end</span><br><span class=keyword>if</span> size(data.Cov,3) ~= size(data.Mean,2), res=0; <span class=jump>return</span>; <span class=keyword>end</span><br><span class=keyword>if</span> size(data.y,2) ~= size(data.Mean,2), res=0; <span class=jump>return</span>; <span class=keyword>end</span><br><br>res=1;<br><br><span class=jump>return</span>;<br></code>?? 快捷鍵說明
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