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comparison toolboxes/FullBNT-1.0.7/nethelp3.3/dem2ddat.htm @ 0:e9a9cd732c1e tip
first hg version after svn
| author | wolffd |
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| date | Tue, 10 Feb 2015 15:05:51 +0000 |
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| 1 <html> | |
| 2 <head> | |
| 3 <title> | |
| 4 Netlab Reference Manual dem2ddat | |
| 5 </title> | |
| 6 </head> | |
| 7 <body> | |
| 8 <H1> dem2ddat | |
| 9 </H1> | |
| 10 <h2> | |
| 11 Purpose | |
| 12 </h2> | |
| 13 Generates two dimensional data for demos. | |
| 14 | |
| 15 <p><h2> | |
| 16 Synopsis | |
| 17 </h2> | |
| 18 <PRE> | |
| 19 data = dem2ddat(ndata)</PRE> | |
| 20 | |
| 21 <PRE> | |
| 22 [data, c] = dem2ddat(ndata)</PRE> | |
| 23 | |
| 24 | |
| 25 <p><h2> | |
| 26 Description | |
| 27 </h2> | |
| 28 The data is | |
| 29 drawn from three spherical Gaussian distributions with priors 0.3, | |
| 30 0.5 and 0.2; centres (2, 3.5), (0, 0) and (0,2); and standard deviations | |
| 31 0.2, 0.5 and 1.0. <CODE>data = dem2ddat(ndata)</CODE> generates <CODE>ndata</CODE> | |
| 32 points. | |
| 33 | |
| 34 <p><CODE>[data, c] = dem2ddat(ndata)</CODE> also returns a matrix containing the | |
| 35 centres of the Gaussian distributions. | |
| 36 | |
| 37 <p><h2> | |
| 38 See Also | |
| 39 </h2> | |
| 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> | |
| 41 <b>Pages:</b> | |
| 42 <a href="index.htm">Index</a> | |
| 43 <hr> | |
| 44 <p>Copyright (c) Ian T Nabney (1996-9) | |
| 45 | |
| 46 | |
| 47 </body> | |
| 48 </html> |