Attempt to reference field of non-structure array.

2014 9 4
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更新时间：2014 9 4
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hi I'm trying to estimate the speed of a motor using Hopfield neural network learnh and I get the following error:
Attempt to reference field of non-structure array.
Error in learnh>apply (line 102) dw = lp.lr*a*p';
Error in learnh (line 73) [out1,out2] = apply(varargin{:});
Error in RNA (line 39) dw = learnh([],P11,[],[],T,[],[],[],[],[],lp,[]);
anyone can help me?

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Andrew Reibold
Andrew Reibold 2014-9-4

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Accessing lp.lr is your problem.
First make sure this is really what you meant to type. If it is, make sure lp.lr really exists. You can stop the code before the line to check.
Other than this, we don't have alot of information to go off of here

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