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## Re: Neural Networks in octave

**From**: |
Søren Hauberg |

**Subject**: |
Re: Neural Networks in octave |

**Date**: |
Sat, 10 Mar 2007 11:25:10 +0100 |

**User-agent**: |
Thunderbird 1.5.0.10 (X11/20070307) |

Hi,
Carlos Medrano skrev:

http://hauberg.org/wiki/doku.php?id=octave-fann/

`I'm the author of this so you can't trust anything I say about this
``package ;-)
`

`The FANN bindings work quite well, but FANN has some problems that also
``affect the bindings:
`` *) There is currently no way to get access to the individual weights
``in the network. Sometimes you care about this, sometimes you don't.
`` *) FANN only supports Feedforward Networks which is good enough for
``some uses, but sometimes you just need more powerful algorithms.
`

`Other than that Octave-FANN is quite nice. It's fast, it's easy, and you
``can do the training in Octave and then later run the network from C
``which can be quite handy.
`

`but I would like to know the opinion of some experienced users before choosing
``octave or matlab (and his neural network toolbox).
`

I believe there's also some NN code in octave-forge but I don't know how

`well it works. I guess you could also try out "netlab" (just google it)
``which is
``matlab toolbox for pattern recognition written by Bishop. I haven't
``tried it but I assume that it works in octave.
`

`As to if you should use octave or matlab my advise is to use octave
``(you're asking at an octave list so this is the expected answer). The
``reason is that in the longer run you will need the power that using free
``software provides. Matlab might be more handy in the short run, but you
``will hit the "propriatory software" wall sooner or later.
`
Søren