Suddenly neural network toolbox doesn't work anymore

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Gechas
Gechas 2014-6-17
评论： MOHD FUAD ABDUL LATIP 2022-11-7
Hello!
I worked with the neural network toolbox until yesterday when suddenly I got a error message:
At first I thougt that somehow the data I feed into the neural network got corrupted. But after checking this I could rule it out as I cause. To make sure it is not the data I tried the sample data that comes with MATLAB and I get the same error message with the sample data.
If I try to call patternnet(10) in the command window I get the following error message:
>> net=patternnet(10)
Default value is not a member of type "nntype.performance_fcn".
Error using nnetParamInfo (line 28)
Reference to non-existent field 'net_read_only'.
Error in patternnet>get_info (line 85)
info = nnfcnNetwork(mfilename,'Pattern Recognition Neural Network',fcnversion, ...
Error in patternnet (line 41)
if isempty(INFO), INFO = get_info; end
I have R2013b 64-bit. Does anybody have an idea what could be the reason that suddenly the neural network toolbox doesn't work anymore? I would very much appreciate your help.

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回答（2 个）

Tunan
Tunan 2014-7-4
I have the same problem. All of a sudden, Matlab NN toolbox doesn't work any more. It was fine in May.
When I was trying the nprtool and using the sample data, it doesn't work.
Anybody know what's happening? There is no source code since we are using the GUI.
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MOHD FUAD ABDUL LATIP
MOHD FUAD ABDUL LATIP 2022-11-7
I have this error but dont know how to fix it
Reference to non-existent field 'net_read_only'.
Error in network/subsasgn>network_subsasgn (line 39)
if ~isempty(nnstring.first_match(field,FIELD_NAMES.net_read_only))
Error in network/subsasgn (line 11)
net = network_subsasgn(net,subscripts,v,netname);
Error in network>setnet (line 178)
net = subsasgn(net,subscripts,value);
Error in network>new_network (line 168)
net = setnet(net,'numInputs',numInputs);
Error in network (line 71)
net = new_network(varargin{:});
Error in feedforwardnet>create_network (line 101)
net = network;
Error in feedforwardnet (line 69)
net = create_network(param);
Error in nntype.performance_fcn>type_check (line 141)
net = feedforwardnet;

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software
software 2019-7-8
Thanks John Malik,

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