I am trying to find the root mean square error(RMSE) but i am getting this error when I tried to find the output in command window 'Unrecognized function or variable 'Hot_Output'.

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function [OBJ] = Main_Combined_optimization(Opt_Param)
%% code Description: Main optimization Function
%%Run Model with optimization Parameters
global hot;
Data = xlsread('hotspot.csv');
hot.RecordingTime = Data(:,1);
hot.Loading = Data(:,2);
hot.HotToTopOilGradient = Data(:,3);
t = hot.RecordingTime;
K = hot.Loading;
Hot_Output = hot.HotToTopOilGradient;
%% call the optimizer
[HotSpotTemperture_Optimization] = Combined_Optimization(K,Opt_Param,t);
error_HT = Hot_Output - HotSpotTemperture_Optimization;
OBJ_HT = sum( trapz(t, error_HT.^2));
OBJ = OBJ_HT;
%% Calculate the RMSE
RMSE = sqrt( sum((Hot_Output(:)- HotSpotTemperture_Optimization(:)).^2) / numel(Hot_Output) );
end

採用された回答

Just Manuel
Just Manuel 2021 年 2 月 24 日
That's a question of variable scope. Variables declared in a function are only visible within the function that declared it.
If you want to use that data after execution of the function, make it an output variable. If you just want to have a look at it for debugging, set a breakpoint in your function (go at this line: [HotSpotTemperture_Optimization] = Combined_Optimization(K,Opt_Param,t); where Hot_Temperature is already assigned.), then you will see all the variables in the workspace window.
Cheers
Manuel
  5 件のコメント
Just Manuel
Just Manuel 2021 年 3 月 2 日
One more thing: please accept the answer :)
Cheers
Manuel

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