what is that problem? "Optimization running. Error running optimization. Undefined function 'power' for input arguments of type 'timeseries'"

2016 8 9
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更新时间：2016 8 9
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how can I solve this problem
Optimization running. Error running optimization. Undefined function 'power' for input arguments of type 'timeseries'
I am using matlab R2016a, using genetic algorithm to get the minimum values for PID controller in a switched reluctance motor. please anyone can help tell me how to solve this problem? thanks

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Walter Roberson
Walter Roberson 2016-8-9

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Consider for example,
a = timeseries(1:10);
a .^ 2
then that would generate that error, because you are trying to square the timeseries object.
Possibly you want to square the data in the object:
a.Data .^ 2

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khaled awad
khaled awad 2016-8-9
编辑：Walter Roberson 2016-8-9
thanks for your fast feedback, for your info this is my code.
function f = kh (m)
global x1 x2 x3
x1 = m(1);
x2 = m(2);
x3 = m(3);
sim ('genetic_algo')
f = trapz (tout,(spo));
end
is it right or needs a modifications
Walter Roberson
Walter Roberson 2016-8-9
What is tout? What is spo? Are those created by "To Workspace" blocks in your simulation ?

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