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| author | Daniel Wolff |
|---|---|
| date | Fri, 19 Aug 2016 13:07:06 +0200 |
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| children |
| rev | line source |
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| Daniel@0 | 1 <html> |
| Daniel@0 | 2 <head> |
| Daniel@0 | 3 <title> |
| Daniel@0 | 4 Netlab Reference Manual mdninit |
| Daniel@0 | 5 </title> |
| Daniel@0 | 6 </head> |
| Daniel@0 | 7 <body> |
| Daniel@0 | 8 <H1> mdninit |
| Daniel@0 | 9 </H1> |
| Daniel@0 | 10 <h2> |
| Daniel@0 | 11 Purpose |
| Daniel@0 | 12 </h2> |
| Daniel@0 | 13 Initialise the weights in a Mixture Density Network. |
| Daniel@0 | 14 |
| Daniel@0 | 15 <p><h2> |
| Daniel@0 | 16 Synopsis |
| Daniel@0 | 17 </h2> |
| Daniel@0 | 18 <PRE> |
| Daniel@0 | 19 net = mdninit(net, prior) |
| Daniel@0 | 20 net = mdninit(net, prior, t, options) |
| Daniel@0 | 21 </PRE> |
| Daniel@0 | 22 |
| Daniel@0 | 23 |
| Daniel@0 | 24 <p><h2> |
| Daniel@0 | 25 Description |
| Daniel@0 | 26 </h2> |
| Daniel@0 | 27 |
| Daniel@0 | 28 <p><CODE>net = mdninit(net, prior)</CODE> takes a Mixture Density Network |
| Daniel@0 | 29 <CODE>net</CODE> and sets the weights and biases by sampling from a Gaussian |
| Daniel@0 | 30 distribution. It calls <CODE>mlpinit</CODE> for the MLP component of <CODE>net</CODE>. |
| Daniel@0 | 31 |
| Daniel@0 | 32 <p><CODE>net = mdninit(net, prior, t, options)</CODE> uses the target data <CODE>t</CODE> to |
| Daniel@0 | 33 initialise the biases for the output units after initialising the |
| Daniel@0 | 34 other weights as above. It calls <CODE>gmminit</CODE>, with <CODE>t</CODE> and <CODE>options</CODE> |
| Daniel@0 | 35 as arguments, to obtain a model of the unconditional density of <CODE>t</CODE>. The |
| Daniel@0 | 36 biases are then set so that <CODE>net</CODE> will output the values in the Gaussian |
| Daniel@0 | 37 mixture model. |
| Daniel@0 | 38 |
| Daniel@0 | 39 <p><h2> |
| Daniel@0 | 40 See Also |
| Daniel@0 | 41 </h2> |
| Daniel@0 | 42 <CODE><a href="mdn.htm">mdn</a></CODE>, <CODE><a href="mlp.htm">mlp</a></CODE>, <CODE><a href="mlpinit.htm">mlpinit</a></CODE>, <CODE><a href="gmminit.htm">gmminit</a></CODE><hr> |
| Daniel@0 | 43 <b>Pages:</b> |
| Daniel@0 | 44 <a href="index.htm">Index</a> |
| Daniel@0 | 45 <hr> |
| Daniel@0 | 46 <p>Copyright (c) Ian T Nabney (1996-9) |
| Daniel@0 | 47 <p>David J Evans (1998) |
| Daniel@0 | 48 |
| Daniel@0 | 49 </body> |
| Daniel@0 | 50 </html> |