Why does [ I N ] & [ O N ] for the neural network doesn't work??

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hana razak
hana razak 2017-11-9
评论： hana razak 2017-11-12
Hi,
I'm using MATLAB R2015a. I have the input data, data (1100x90) and target, t (2x90).
I'm not sure how to set the target but I've found the way to set the target by referring from this page;
https://www.mathworks.com/matlabcentral/answers/82557-how-to-determine-input-and-target-data-for-classification-in-neural-network
Am I doing the right approach in setting the target?
Here is how I'm setting the input and target for neural network;
data = horzcat( data{:} ) ; % data 1100x90 double
% target setting
t = zeros (2, 90);
t (1, 1:45) = ones (1,45);
t (2, 46:90) = ones (1, 45); % t 2x90 double
% neural network setting
[ I N ] = [1100 90]
[ O N ] = [2 90]
net = patternnet(10);
[net,tr] = train(net,data,t);
I've only reached here and I got this error.
Too many output arguments.
Error in test_nn (line 24)
[ I N ] = [1100 90]
Please help me to resolve this error.
Thank you
Hana

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采纳的回答

Greg Heath
Greg Heath 2017-11-9
% I don't know why, but that method of multiple variable assignment is only defined for functions
>> x = 0, y = 0
x = 0
y = 0
>> [ x y ] = [ 1 2 ]
Too many output arguments.
>> [ x y ] = [ 1, 2 ]
Too many output arguments.
>> [ x, y ] = [ 1, 2 ]
Too many output arguments.
>> [ x, y ] = [ 1 2 ]
Too many output arguments.
Hope this helps.
Thank you for formally accepting my answer
Greg
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Greg Heath
Greg Heath 2017-11-11
EDITED QUESTIONS:
Q1. This is my first project using MATLAB. Will you please explain, in detail, why "multiple variable assignments" are only defined for functions'?
A. I don't know.
Q2. Also, I don't really get what this code means.
A. It just means that your syntax is incorrect.
Q3. What should I do to avoid from getting the same error?
A. Don't use that syntax. I have demonstrated 4 versions and they are all unacceptable.
Use the versions I use in my codes.
Hope this helps.
Greg
hana razak
hana razak 2017-11-12
Thank you very much for your answers. You really help me a lot.

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