Mercurial > hg > camir-ismir2012
annotate toolboxes/FullBNT-1.0.7/nethelp3.3/netgrad.htm @ 0:cc4b1211e677 tip
initial commit to HG from
Changeset:
646 (e263d8a21543) added further path and more save "camirversion.m"
| author | Daniel Wolff |
|---|---|
| date | Fri, 19 Aug 2016 13:07:06 +0200 |
| parents | |
| children |
| rev | line source |
|---|---|
| Daniel@0 | 1 <html> |
| Daniel@0 | 2 <head> |
| Daniel@0 | 3 <title> |
| Daniel@0 | 4 Netlab Reference Manual netgrad |
| Daniel@0 | 5 </title> |
| Daniel@0 | 6 </head> |
| Daniel@0 | 7 <body> |
| Daniel@0 | 8 <H1> netgrad |
| Daniel@0 | 9 </H1> |
| Daniel@0 | 10 <h2> |
| Daniel@0 | 11 Purpose |
| Daniel@0 | 12 </h2> |
| Daniel@0 | 13 Evaluate network error gradient for generic optimizers |
| Daniel@0 | 14 |
| Daniel@0 | 15 <p><h2> |
| Daniel@0 | 16 Synopsis |
| Daniel@0 | 17 </h2> |
| Daniel@0 | 18 <PRE> |
| Daniel@0 | 19 g = netgrad(w, net, x, t)</PRE> |
| Daniel@0 | 20 |
| Daniel@0 | 21 |
| Daniel@0 | 22 <p><h2> |
| Daniel@0 | 23 Description |
| Daniel@0 | 24 </h2> |
| Daniel@0 | 25 |
| Daniel@0 | 26 <p><CODE>g = netgrad(w, net, x, t)</CODE> takes a weight vector <CODE>w</CODE> and a network |
| Daniel@0 | 27 data structure <CODE>net</CODE>, together with the matrix <CODE>x</CODE> of input |
| Daniel@0 | 28 vectors and the matrix <CODE>t</CODE> of target vectors, and returns the |
| Daniel@0 | 29 gradient of the error function evaluated at <CODE>w</CODE>. |
| Daniel@0 | 30 |
| Daniel@0 | 31 <p><h2> |
| Daniel@0 | 32 See Also |
| Daniel@0 | 33 </h2> |
| Daniel@0 | 34 <CODE><a href="mlp.htm">mlp</a></CODE>, <CODE><a href="neterr.htm">neterr</a></CODE>, <CODE><a href="netopt.htm">netopt</a></CODE><hr> |
| Daniel@0 | 35 <b>Pages:</b> |
| Daniel@0 | 36 <a href="index.htm">Index</a> |
| Daniel@0 | 37 <hr> |
| Daniel@0 | 38 <p>Copyright (c) Ian T Nabney (1996-9) |
| Daniel@0 | 39 |
| Daniel@0 | 40 |
| Daniel@0 | 41 </body> |
| Daniel@0 | 42 </html> |