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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">ELLIPS</b><td valign="baseline" align="right" class="function"><a href="../visual/index.html" target="mdsdir"><img border = 0 src="../up.gif"></a></table> <p><b>Creates ellipse.
</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> [X,Y] = ellips(Center,Shape,radius,n)
</span><br><span class=help> [X,Y,Z] = ellips(Center,Shape,radius,n)
</span><br><span class=help>
</span><br><span class=help> <span class=help_field>Description:</span></span><br><span class=help> This function interpolates ellipse by lines in 2d space
</span><br><span class=help> or by patches in 3d space respectivelly. The ellipsoid
</span><br><span class=help> is described as
</span><br><span class=help> radius^2=(x-Center)'*Shape*(x-Center).
</span><br><span class=help>
</span><br><span class=help> The number of lines used for interpolation is given
</span><br><span class=help> by argument n in 2d case. In 3d case the argument
</span><br><span class=help> n has the same meaning in the Matlab function sphere(n).
</span><br><span class=help>
</span><br><span class=help> <span class=help_field>Input:</span></span><br><span class=help> Center [2x1] or [3x1] Center of the ellipse.
</span><br><span class=help> Shape [2x2] or [3x3] Shape of the ellipse.
</span><br><span class=help> n [1x1] Density of interpolation (default 20).
</span><br><span class=help>
</span><br><span class=help> <span class=help_field>Example:</span></span><br><span class=help>
</span><br><span class=help> 2d ellipse
</span><br><span class=help> [x,y] = ellips([1;1],[1 0.5;0.5 1],1);
</span><br><span class=help> figure; plot(x,y);
</span><br><span class=help>
</span><br><span class=help> 3d ellipsoid
</span><br><span class=help> [x,y,z] = ellips([1;1;1],[1 0 0;0 2 0; 0 0 3],1);
</span><br><span class=help> figure; mesh(x,y,z);
</span><br><span class=help>
</span><br></code></div> <hr> <b>Source:</b> <a href= "../visual/list/ellips.html">ellips.m</a> <p><b class="info_field">About: </b> Statistical Pattern Recognition Toolbox
<br> (C) 1999-2003, 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> 30-apr-2004, VF
<br> 13-Feb-2003, VF
<br> 24-6-2000 V. Hlavac, comments polished.
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