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comparison toolboxes/FullBNT-1.0.7/nethelp3.3/netpak.htm @ 0:e9a9cd732c1e tip
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| 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 netpak | |
| 5 </title> | |
| 6 </head> | |
| 7 <body> | |
| 8 <H1> netpak | |
| 9 </H1> | |
| 10 <h2> | |
| 11 Purpose | |
| 12 </h2> | |
| 13 Combines weights and biases into one weights vector. | |
| 14 | |
| 15 <p><h2> | |
| 16 Synopsis | |
| 17 </h2> | |
| 18 <PRE> | |
| 19 w = netpak(net) | |
| 20 </PRE> | |
| 21 | |
| 22 | |
| 23 <p><h2> | |
| 24 Description | |
| 25 </h2> | |
| 26 <CODE>w = netpak(net)</CODE> takes a network data structure <CODE>net</CODE> and | |
| 27 combines the component weight matrices into a single row | |
| 28 vector <CODE>w</CODE>. The facility to switch between these two | |
| 29 representations for the network parameters is useful, for example, in | |
| 30 training a network by error function minimization, since a single | |
| 31 vector of parameters can be handled by general-purpose optimization | |
| 32 routines. This function also takes into account a <CODE>mask</CODE> defined | |
| 33 as a field in <CODE>net</CODE> by removing any weights that correspond to | |
| 34 entries of 0 in the mask. | |
| 35 | |
| 36 <p><h2> | |
| 37 See Also | |
| 38 </h2> | |
| 39 <CODE><a href="net.htm">net</a></CODE>, <CODE><a href="netunpak.htm">netunpak</a></CODE>, <CODE><a href="netfwd.htm">netfwd</a></CODE>, <CODE><a href="neterr.htm">neterr</a></CODE>, <CODE><a href="netgrad.htm">netgrad</a></CODE><hr> | |
| 40 <b>Pages:</b> | |
| 41 <a href="index.htm">Index</a> | |
| 42 <hr> | |
| 43 <p>Copyright (c) Ian T Nabney (1996-9) | |
| 44 | |
| 45 | |
| 46 </body> | |
| 47 </html> |