heath's articles:

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Neural Network Image Classification 0 2 (5/4/2013 2:03:12 AM) comp.soft-sys.matlab May 2, 2013 05:05:06 PM, jiang.152@osu.edu wrote: >I met a problem in neural network when doing remote sensing image classification. >The problem is that the classification is not stable as to training sam... Greg

How to create a single dimensioned empty cell? 3 10 (4/23/2013 3:15:10 AM) comp.soft-sys.matlab As a result of internal calculations in a NNTBX function, queerly dimensioned empty cells are created. How can I create such a cell with command line code? For example: >> whos Xc Xci Ai Name Size ... Greg

Matlab trainbr "converges" to trivial solution 0 6 (4/10/2013 2:33:18 AM) comp.soft-sys.matlab Subject: Matlab trainbr "converges" to trivial solution Sent: Apr 7, 2013 10:04:40 AM >See attached screen shot. Re-initializing helps sometimes, but why does >this happen in the first place It's ... Greg

CLOSELOOP FEEDBACK TIMESERIES DESIGN EXAMPLE 0 4 (4/2/2013 8:07:07 AM) comp.soft-sys.matlab % 1234567890123456789012345678901234567890123456789012345 % This design uses as many defaults as possible. In general, % 1. The input delay vector, ID, should be chosen from the significant % T/X cross-corr... Greg

How to convert nonuniform cell to uniform matrix? 3 10 (4/1/2013 12:20:06 AM) comp.soft-sys.matlab I have a 10x15 cell named stopcrit0 with character elements of different lengths: 'Validation stop.' 'Minimum gradient reached.' 'Performance goal met.' I would like to replace it with a correspondin... Greg

RBF NN traning data set limit 1 6 (3/25/2013 2:51:16 AM) comp.soft-sys.matlab Newsgroups: comp.ai.neural-nets Subject: RBF NN traning data set limit From: Sergio Ferlito Date: Wed, 20 Mar 2013 03:59:42 -0700 (PDT) Local: Wed, Mar 20 2013 6:59 am On Mar 20, 6:59 am, Sergio Ferlit... Greg

ELMAN NET DOCUMENTATION EXAMPLE 0 5 (3/23/2013 8:36:19 AM) comp.soft-sys.matlab % ELMAN NET DOCUMENTATION EXAMPLE % % DELAYED FEEDBACK FROM HIDDEN LAYER % % COMMENTS % % Unlike other timeseries functions (e.g. timedelaynet, narnet % an... Greg

TIMESERIES REGRESSION AND PREDICTION CATEGORIES 0 9 (3/13/2013 11:52:12 PM) comp.soft-sys.matlab Some of the time series posts indicate that there is some confusion regarding the purpose, domain and overlap of the three basic timeseries functions. With the hope of reducing that confusion, I have posted ... Greg

PROOF? XS'*XS = eye ==> (XS\X0)' = X0'*XS 1 6 (3/12/2013 11:37:10 PM) comp.soft-sys.matlab help plsregress contains the line XL = (XS\X0)' = X0'*XS When I plugged in numbers from the problem it checks out. Since the second equality looked strange, I tried to prove it. I could not. With ... Greg

How to access obsolete documentation(e.g., 2009a) 2 13 (3/4/2013 2:52:08 AM) comp.soft-sys.matlab Is obsolete documentation accessible? If so, how? TIA Greg ... Greg

heath's replies:

Items(2221) /223 Next >> Last >|

Error in Selection of Optimum Parameters in Neural Network 3 11 (4/17/2013 11:00:08 AM) comp.soft-sys.matlab Hello All, I have an error in selection of optimum configuration from the neural network model. I consist R2 statisticics for training, R2 statistics for training under degree of freedom adjustment and i choos... subodhpaudel (11)

how remove unwanted high frequencies in MATLAB? 11 9 (4/22/2013 3:05:09 PM) comp.soft-sys.matlab Hi. I have one problem. I have a data vector. for example : data=rand(1,n) ; n=100; I want to obtain discrete fourier transform of it by DCT command. and then,by a low-pass filter,remove unwanted high frequ... shaban_sadeghi (72)

feed-forward back-propogation network 1 11 (4/22/2013 3:54:09 PM) comp.soft-sys.matlab hi, I am trying to create a feed-forward back-propogation network with 3 inputs vetcors, 2 hidden layer with 7 nodes, and 2 output vectors ..the implementation of my algorithm on matlab displays two errors w... green_star10 (1)

How to create a single dimensioned empty cell? 3 10 (4/23/2013 3:15:10 AM) comp.soft-sys.matlab As a result of internal calculations in a NNTBX function, queerly dimensioned empty cells are created. How can I create such a cell with command line code? For example: >> whos Xc Xci Ai Name Size ... heath (3875)

Data division problem in neural network 3 2 (4/23/2013 2:50:09 PM) comp.soft-sys.matlab Hello, I am using neural network pattern recognition for classification purpose.My problem is I am not getting whether for input and target both I have to write individual command "trainInd,val... srishti.sondele (13)

number of neuron of hidden layer in rbf 1 5 (4/26/2013 4:46:08 PM) comp.soft-sys.matlab Dears for cross validation i need to design 4 rbf nn with different neuron in hidden layer. here is my question: 1-'what is the command to change the number of neuron?' 2-'how to plot learning and generaliz... mina.mahmoodi (1)

Desired value for backpropogation method 1 2 (5/1/2013 8:46:09 AM) comp.soft-sys.matlab Hi I want to train neural network with backpropogation algorithm . But for backpropogation we need desired value to train network. Please any one can tell me what is the criteria to selection desired value ? ... ravian1011 (4)

Neural network in matlab #2 2 2 (5/1/2013 9:00:10 AM) comp.soft-sys.matlab Hi please any one can guide me the method to fix the desired value when we are going to train ANN with backpropogation method or is there any method to selection desired value on the basis of train data ? Tha... ravian1011 (4)

Unexpected neural network output 5 2 (5/1/2013 9:31:10 AM) comp.soft-sys.matlab I have trained a very good ff neural network with the restiction that any increase of each input parameters A, B, C... must give higher output values (R2 = 0.94). However when I use the best trained NN using be... t.schomaker (31)

weight in neural network 1 2 (5/1/2013 3:44:10 PM) comp.soft-sys.matlab Hello Sir, Sir if i have tried the following code, the problem if I generate W1 and W2 then weights net.IW{1,1} and net.LW{2,1} are diffrenet and if i dont use W1 and W2 then net.IW{1,1} and net.LW... srishti.sondele (13)