Question

bias problem with trainb

I need to train a supervised neural network to linearly separate a set of inputs with logical output 0,1 in batch training. My ...

nästan 8 år ago | 1 answer | 0

Question

How can I further improve the performance of this function?

This function is an adaptation for my needs of nanmean and nanstd taken by NanSuite Jan Gläscher. function [inputstemp4]=OP...

ungefär 8 år ago | 0 answers | 0

Question

coder.extrinsic size mismatch

I use in a function: STDinputs(nset1,nimp1)=nanstd(inputstemp,0,2); AVinputs(nset1,nimp1)=nanmean(inputstemp,2)...

ungefär 8 år ago | 1 answer | 0

Question

SSD vs HDD Matlab

How important is it to use a SSD to improve performance of Matlab, if I don't use the commands "load " "save" "but I read only t...

ungefär 8 år ago | 1 answer | 0

Question

OPTIMIZE THE USE "MEX FILES".

Hello, for some years using Matlab and 1 year working on a system that uses Global Optimization Toolbox and Neural Network Tool...

ungefär 8 år ago | 0 answers | 0

Question

Neural Network - inverted pre-processing functions

I know that using preprocessing functions have to transform the output of the neural network to their original values using: ...

mer än 8 år ago | 1 answer | 0

Question

restore the state of genetic algorithm after accidental shutdown

How can I restore the state of genetic algorithm after accidental shutdown? This is important because calculation time can be v...

mer än 8 år ago | 1 answer | 0

Question

Matlab doesn't recognize processors.

I have windows xp(x32) and 2 processors Intel Pentium 4 3,20 GHz. I set "parallel/manage cluster profile/number of workers =...

nästan 9 år ago | 0 answers | 0

Question

Vectorization of 3 nested for loops.

I have 3 for loop and I want to vectorized it . I try a lot to do it but I cannot do it. This is the simple version. I...

nästan 9 år ago | 1 answer | 0

Question

Vectorized fitness function for ga

I'm not very experienced in vectorization and I have not found something of interesting on internet.I've built a fitness functio...

nästan 9 år ago | 1 answer | 0

Question

using ga to optimize multivariable system with multiple equal local minimum

I need to optimize a non-linear system with mixed integer variable and not a single global solution but 100 possible local ident...

nästan 9 år ago | 0 answers | 0

Question

good test error and wrong relative output

I've a problem with my neural network. I use Matlab fitnet with trainlm and validation stop and without pre and post processing...

ungefär 9 år ago | 1 answer | 0

Question

fitnet Why test results are unbiased?

I've read form Greg Heath: Data = Design + Non-design Design = Train(estimate weights) + Validation(Stop training when MSE...

ungefär 9 år ago | 1 answer | 0