Neural Network Training/Optimization using Genetic Algorithm

2013 4 19
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I want to learn how can I train NN in Matlab NN tool box (or to optimize Weights and Neurons in hidden layer if it is possible). To do so I used the folowing code :
http://www.mathworks.fr/support/solutions/en/data/1-EFLUUB/?solution=1-EFLUUB
But I get an error message:
Undefined function 'gaoptimset' for input arguments of type 'char'.
Error in GANN (line 25) ga_opts = gaoptimset('TolFun', 1e-8,'display','iter');
Could someone help me to resolve this probleme. Thanks in advance
Note: I'm using MATLAB R2012b

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Alan Weiss
Alan Weiss 2013-4-19

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Do you have a Global Optimization Toolbox license? Check with the ver command:
ver
If you have a license, check that gaoptimset is on your path:
which gaoptimset
If you have a function or variable named gaoptimset, delete it. If you hae a Global Optimization Toolbox license but gaotimset cannot be found, either reinstall MATLAB or get help from Technical Support.
Alan Weiss
MATLAB mathematical toolbox documentation

更多回答（1 个）

nou2
nou2 2013-4-22

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Thank you Alan for your response. Using the ver command It appears that I have the Optimization Toolbox Version 6.2.1 (R2012b). Using which gaoptimset I got the folowing message: C:\Program Files\MATLAB\R2012b\toolbox\globaloptim\globaloptim\gaoptimset.m % Has no license available (same thing for ga and globalSearch but not for fminsearch). Neveretheless when I go to Files\MATLAB\R2012b\toolbox\globaloptim\globaloptim\gaoptimset.m I find the code for all functions which seems to me paradoxal. I'll try to contact the Technical Support.

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