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author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
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wolffd@0 1 <html>
wolffd@0 2 <head>
wolffd@0 3 <title>
wolffd@0 4 Netlab Reference Manual dem2ddat
wolffd@0 5 </title>
wolffd@0 6 </head>
wolffd@0 7 <body>
wolffd@0 8 <H1> dem2ddat
wolffd@0 9 </H1>
wolffd@0 10 <h2>
wolffd@0 11 Purpose
wolffd@0 12 </h2>
wolffd@0 13 Generates two dimensional data for demos.
wolffd@0 14
wolffd@0 15 <p><h2>
wolffd@0 16 Synopsis
wolffd@0 17 </h2>
wolffd@0 18 <PRE>
wolffd@0 19 data = dem2ddat(ndata)</PRE>
wolffd@0 20
wolffd@0 21 <PRE>
wolffd@0 22 [data, c] = dem2ddat(ndata)</PRE>
wolffd@0 23
wolffd@0 24
wolffd@0 25 <p><h2>
wolffd@0 26 Description
wolffd@0 27 </h2>
wolffd@0 28 The data is
wolffd@0 29 drawn from three spherical Gaussian distributions with priors 0.3,
wolffd@0 30 0.5 and 0.2; centres (2, 3.5), (0, 0) and (0,2); and standard deviations
wolffd@0 31 0.2, 0.5 and 1.0. <CODE>data = dem2ddat(ndata)</CODE> generates <CODE>ndata</CODE>
wolffd@0 32 points.
wolffd@0 33
wolffd@0 34 <p><CODE>[data, c] = dem2ddat(ndata)</CODE> also returns a matrix containing the
wolffd@0 35 centres of the Gaussian distributions.
wolffd@0 36
wolffd@0 37 <p><h2>
wolffd@0 38 See Also
wolffd@0 39 </h2>
wolffd@0 40 <CODE><a href="demgmm1.htm">demgmm1</a></CODE>, <CODE><a href="demkmean.htm">demkmean</a></CODE>, <CODE><a href="demknn1.htm">demknn1</a></CODE><hr>
wolffd@0 41 <b>Pages:</b>
wolffd@0 42 <a href="index.htm">Index</a>
wolffd@0 43 <hr>
wolffd@0 44 <p>Copyright (c) Ian T Nabney (1996-9)
wolffd@0 45
wolffd@0 46
wolffd@0 47 </body>
wolffd@0 48 </html>