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error-index exceeds matrix dimension
1. The input and target matrices must have the same number of columns: Tar = [ 0 0 1 1 ] [ I N ] = size( P1) % [ 2 4 ] ...

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Strange results with Matlab Neural Network Toolbox
By default, the feedforward nets transform the data using MAPMINMAX. Therefore you have to either disable this default or use...

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BP Neural Network
If the net 1. MUST be a 2-hidden-layer FFMLP 2. MUST use the 1st hidden layer to recognizably separate the 4 classes ...

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Simple neural network
1. estim_s4 = sim(net,I); % simulate the network to get an estimate of s4 Undefined function or variable 'I'. Error in...

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what is the difference between feedforwardnet with fitnet?
To see source code use the TYPE function: type newfit type patternnet type feedforwardnet FEEDFORWARDNET is gener...

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Matlab Code for single layer perceptron model
If you do not have access to the Neural Network Toolbox. Try searching the Newsgroup archives and FEX. If you know the weight up...

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multi layer digit recognition
yahya m about 6 hours ago >UNFORTUNATELY i dont have good experience in NN because iam new... but for inputs ok and for trai...

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INPUT TO NEURAL NETWORK
It is sufficient to use 1 hidden layer. Input images with dimensions [row col ], should be columnized to a vector of length I = ...

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multi layer digit recognition
%You don't need all of those semicolons to represent a column vector. Just transpose the corresponding row vector. x = [ d0 d...

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classifier
For Neural Net classification, see the documentation for patternnet and the classification demo example. Hope this helps. ...

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Sound Recognition in Neural Networks
See the classification demos in the Neural Network Toolox. Hope this helps. Greg

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MLP in neural network
Start with 1. Read the relevant sections of the Neural Network Toolbox documentation. 2. Duplicate and revise some of the ...

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Neural Network- IW doesn't fit with inputs
Searching the Newsgroup using IW LW http://www.mathworks.com/matlabcentral/newsreader/view_thread/318575#872106 Hope this ...

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Neural Network- IW doesn't fit with inputs
1. Single inputs and outputs are column vectors. Orient your input and target matrices so that they have the same number of co...

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Find the difference between images
You said that you have found a reference but have no access. An obvious way to begin is either obtain access to the reference...

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Neural Network help
The concept is very simple: NNs are good interpolators. NNs are NOT GOOD extrapolators. Regardless of the physical sour...

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Neural Network help
1.Resub Testing means testing with the training set. Therefore, delete the modifier "Resub" 2. A neural net is designed to b...

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How to get coordinate from Neural Network training image?
As I stated above, the network is a classifier which will assign an input to one of three classes. You have to assign the coordi...

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Neural Network help
> 1. What exactly are we trying to accomplish here ? Just finding the error ? No, finding a reference for MSE normalization. ...

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Write your own Performance criteria in Neural Network?
See my expression for MSEgoal in http://www.mathworks.com/matlabcentral/answers/34206-neural-network-help Additional detai...

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Neural Network help
Neural Network help Amjad asked about 7 hours ago Latest activity: Answer by Geoff about 7 hours ago >Hello everyone, I'm t...

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How to customize training a Network?
>How to customize training a Network? >Jana asked about 3 hours ago >Is it possible to customize the training of a Neural Net...

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Multiple input feedforward network
>I want to create a feedforward neural network with two input vectors and only one output vector. I've tried different things bu...

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How to get coordinate from Neural Network training image?
>[net,tr] = train(net,P,T); OK to here. The net is a classifier to recognize 3 types of images. >netn = net; >netn.trai...

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Neural Network MEMORY problem
If [ I N ] = size(input) [O N ] = size(output) then Neq = N*O % No. of training equations and for an I-H-O ...

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Neural Network MEMORY problem
Is this regression or classification? What algorithm are you using? What do the 50 input variables represent? How many ...

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writing mistake using GRNN or NEWFF?
1. Order classes in block form,i.e. [All A's, All B'as, etc]. 2. Train 4 classes without a threshold and test. If satisfied,...

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forecasting using neural network
1. Either the author lied or you missinterpreted what was written. 2. Terminology: The term "A regression of 0.9" can be inte...

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ANN Using the Matlab, code.
>>P=[1:2247,1:6]; %input >>T=[1:2247,7:8]; %target These are indices, not data matrices. They are transposed. They shou...

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forecasting using neural network
1. In order for a net to perform well on nondesign data, the input and output variables must be well correlated. However, the si...

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