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Re: nnet in Octave- it doesn't work

From: Kai Torben Ohlhus
Subject: Re: nnet in Octave- it doesn't work
Date: Thu, 14 Mar 2019 15:08:10 +0100

On Thu, Mar 14, 2019 at 1:51 PM Toni Francesca <address@hidden> wrote:



I am a new user in Gnu Octave. I started working on the Neural Network package (nnet 0.1.13).

I tried the example 1 (MLP9_1_1.m) in the installation folder but didn’t work, the error message is :


error: 'df_mapper' undefined near line 22 column 10

error: called from

    finite at line 22 column 8

    tansig at line 38 column 5

    __calcperf at line 85 column 21

    __trainlm at line 107 column 19

    train at line 125 column 11

    MLP9_1_1 at line 91 column 7


I use Octave on Windows 7.

Could anyone help me?




Dear Francesca,

Did not load the package?

>> pkg load nnet

But keep in mind that the nnet-0.1.13 package for Octave Forge is hopelessly outdated [1] from 2010-12-03.
In 2017 we had a GSoC Project by Enrico Bertino [2] about a new implementation of the nnet package.
Maybe you can make more out of it [3].



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