How to optimize neural network by using genetic algorithm?

Posted by Billy Coen on Stack Overflow See other posts from Stack Overflow or by Billy Coen
Published on 2010-01-19T17:08:40Z Indexed on 2010/05/17 4:20 UTC
Read the original article Hit count: 303

Filed under:

neural-network

|

genetic-algorithm

|

optimization

I'm quite new with this topic so any help would be great. What i need is to optimize a neural network in MATLAB by using GA. My network has [2x98] input and [1x98] target, i've tried consulting matlab help but im still kind of clueless about what to do :( so, any help would be appreciated. Thanks in advance.

edit: i guess i didn't say what is there to be optimized as Dan said in the 1st answer. I guess most important thing is number of hidden neurons. And maybe number of hidden layers and training parameters like number of epochs or so. Sorry for not providing enough info, i'm still learning about this.

© Stack Overflow or respective owner

Related posts about neural-network

C# Neural Networks with Encog

as seen on Geeks with Blogs - Search for 'Geeks with Blogs'
Neural Networks · I recently read a book Introduction to Neural Networks for C# , by Jeff Heaton. http://www.amazon.com/Introduction-Neural-Networks-C-2nd/dp/1604390093/ref=sr_1_2?ie=UTF8&s=books&qid=1296821004&sr=8-2-spell. Not the 1st ANN book I've perused, but a nice revision… >>> More
OCR with Neural network: data extraction

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm using the AForge library framework and its neural network. At the moment when I train my network I create lots of images (one image per letter per font) at a big size (30 pt), cut out the actual letter, scale this down to a smaller size (10x10 px) and then save it to my harddisk. I can then go… >>> More
Neural Network Output Grouping 0.5?

as seen on Stack Overflow - Search for 'Stack Overflow'
I tried to write a Neural Network system, but even running through simple AND/OR/NOR type problems, the outputs seem to group around 0.5 (for a bias of -1) and 0.7 (for a bias of 1). It doesn't look exactly "wrong"... The 1,1 in the AND pattern does seem higher than the rest and the 0,0 in the OR… >>> More
Artificial neural network

as seen on Stack Overflow - Search for 'Stack Overflow'
hai this is naveena My guide given a simple example to solve in artificial neural network and PSO If any body help then i m very happy the example is `A B C a1 b1 c1 a2 b2 c2 how i have to solve manually i cannot understand plz any help me and send a mail to this… >>> More
Face Detection Neural Network Training Data (databases, number of faces etc)

as seen on Stack Overflow - Search for 'Stack Overflow'
Hey, I'm creating a face detection program using neural networks, and looking for some reliable training sets. I'm aware there's various sets around the web, but I've not idea how good they are. Any ideas where to start? Thanks. >>> More

Related posts about genetic-algorithm

Need help with fixing Genetic Algorithm that's not evolving correctly

as seen on Stack Overflow - Search for 'Stack Overflow'
I am working on a maze solving application that uses a Genetic Algorithm to evolve a set of genes (within Individuals) to evolve a Population of Individuals that power an Agent through a maze. The majority of the code used appears to be working fine but when the code runs it's not selecting the best… >>> More
How should I Test a Genetic Algorithm

as seen on Stack Overflow - Search for 'Stack Overflow'
I have made a quite few genetic algorithms; they work (they find a reasonable solution quickly). But I have now discovered TDD. Is there a way to write a genetic algorithm (which relies heavily on random numbers) in a TDD way? To pose the question more generally, How do you test a non-deterministic… >>> More
A detail question when applying genetic algorithm to traveling salesman

as seen on Stack Overflow - Search for 'Stack Overflow'
I read various stuff on this and understand the principle and concepts involved, however, none of paper mentions the details of how to calculate the fitness of a chromosome (which represents a route) involving adjacent cities (in the chromosome) that are not directly connected by an edge (in the graph)… >>> More
Automatic test data generation using genetic algorithm in MATLAB

as seen on Stack Overflow - Search for 'Stack Overflow'
I am doing my project in software testing. Genetic algorithm is the technique I want to use to generate automatic test data\test cases in MATLAB. Please help me in doing my project successfully. >>> More
Do you have genetic algorithm in production?

as seen on Stack Overflow - Search for 'Stack Overflow'
Is it good idea to use genetic algorithm in production? If you are using it: In what case? What pros for selecting subj? Can you easily add changes to algorithm? >>> More