error using subsindex

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kash
kash 2012-4-7
I have a code for rbf neural network but i get error when processing
xdata=[12 25 1 5 ;8 9 21 03 ]
ydata-[2 6 9 8 ;2 8 7 4 ]
training=xdata(:,1:2);test=xdata(:,3:4);
samplesize=size(xdata);
for i=1:3
c=cvpartition(samplesize,'kfold',2)
trainInd=find(training(c,i));
testInd=find(test(c,i));
trainXMat=xdata(xdata(trainInd));
tstXMat=xdata((xdata(testInd)));
trainYMat=ydata(ydata(trainInd));
tstYMat=ydata((ydata(testInd)));
net1=newrbe(xdata,ydata,1.0);
end
is these correct,i get error as
Error using subsindex Function 'subsindex' is not defined for values of class 'cvpartition'.
Error in yasrbf (line 10) trainInd=find(training(c,i));
please help

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采纳的回答

Walter Roberson
Walter Roberson 2012-4-7
cvpartition() creates a "cvpartition object", not a numeric value, but you are trying to use that object as an index in to the array training() .
I suggest you refer to http://www.mathworks.com/help/toolbox/stats/cvpartitionclass.html
Perhaps what you want is
trainInd = find(c.training(i));
or something like that.
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kash
kash 2012-4-7
ok walter thanks for ur suggestion
kash
kash 2012-4-7
another walter in another post
http://www.mathworks.in/matlabcentral/answers/34714-send-request-packet
ur code returns error
please help

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