To make the plan and know the aim of this project

data set website with data we can use to test our network:

http://kdd.ics.uci.edu/

matlab tutorial for function fitting

http://www.mathworks.co.uk/help/nnet/gs/fitting-a-function.html

The toolbox doesnt output a function that relates the input to the output... The neural network itself is the function!
This is how Dr Goulermas has explained it to me.
He says our project should be more to do with the explanation of the maths of neural networking. And we can also deterimine the effects of changing the number of neurons for SLP's and MLP's (single and multiple layer perceptrons) mathematically then verifing that on Matlab