Question

Levenberg-Marquardt Backpropagation GPU computing

Since MATLAB did not implement the Jacobian calculation for GPU computing I would like to know if some user has made a version ...

4 mois ago | 0 answers | 0

Question

It's a bug?

I discovered a potential bug and I want to report it: Matlab R2018a windows 10 alfa=-0.0052+(61-1)*0.0001; reasoning this i...

5 mois ago | 1 answer | 0

Question

ERROR : Missing domain attribute 'min'

when I use : symmin=@(x,y)feval(symengine,'min',x,y); symmin(3,4) ans= 3 but if I want to find the minimum of a vector : s...

5 mois ago | 0 answers | 0

Question

Assertion failed using parfor

When I use this code I obtain this error: Error using consume_assign (line 23) Assertion failed. Error in parprova>(p...

plus d'un an ago | 3 answers | 2

Question

MATLAB : PROBLEM WITH CELLFUN AND TWO VARIABLES FUNCTION.

temptemp is 1 X 44 cell : every cell is 1 X 3130 array double. tempwmul is 1 X 44 cell : every cell is 1 X 1 trained netw...

plus d'un an ago | 1 answer | 0

Solved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

environ 2 ans ago

Question

using wavelet denoising as preprocessing function with real time data.

When I train a neural network I need to process the training data X with multivariate wavelet denoising obtaining a new data s...

environ 2 ans ago | 0 answers | 0

Question

wmulden using previous calculated parametes

When I apply wmulden to an array A I obtain an array B with denoised signal: level = 4; wname = 'sym2'; ...

environ 2 ans ago | 0 answers | 0

Question

How to disable validation and test data set in neural network

I need to train patternnet neural network using all data set in the training set and avoiding validation check. I found two met...

environ 2 ans ago | 1 answer | 0

Question

pipeline or PSOM programming

I'd like to know if exists a resource in Matlab's toolboxes to manage pipeline or PSOM programming and where it is located or if...

plus de 2 ans ago | 0 answers | 0

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 ...

presque 3 ans 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...

presque 3 ans 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)...

presque 3 ans 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...

presque 3 ans 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...

environ 3 ans 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: ...

plus de 3 ans 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...

plus de 3 ans 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 =...

plus de 3 ans 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...

plus de 3 ans 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...

plus de 3 ans 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...

plus de 3 ans 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...

environ 4 ans 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...

environ 4 ans ago | 1 answer | 0