E+ and Matlab Error - Error using table (line 335) 'XOutputNameX' is longer than the maximum allowed length for a table variable name.
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Hi everyone!,
I am trying to performe a co-simulation between E+ and Matlab using the "EnergyPlus Co-simulation Toolbox" and I tried to an output and the error bellow appears.
_______________________________________________________________________
Error using table (line 335)
'EP_ZN__Refrigeration_Air_Chiller_System_Total_Compressor_Electric_Energy'
is longer than the maximum allowed length for a
table variable name.
Error in mlepMatlab_example (line 41)
logTable = table('Size',[0, 1 + ep.nOut],...
________________________________________________________________________
This is line 41 :
nRows = ceil(endTime / ep.timestep); %Query timestep after mlep initialization
logTable = table('Size',[0, 1 + ep.nOut],...
'VariableTypes',repmat({'double'},1,1 + ep.nOut),...
'VariableNames',[{'Time'}; ep.outputSigName]);
iLog = 1;
How can I solve this problem ?
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Answers (1)
Steven Lord
on 30 Mar 2023
The maximum length a table variable name may have in MATLAB is namelengthmax.
namelengthmax
The name you're trying to use has length:
strlength('EP_ZN__Refrigeration_Air_Chiller_System_Total_Compressor_Electric_Energy')
You will need to use a shorter name, perhaps by abbreviating Refrigeration to Fridge and Electric to Elec?
strlength('EP_ZN__Fridge_Air_Chiller_System_Total_Compressor_Elec_Energy')
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