Dot indexing is not supported for variables of this type.
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I get this error while running the code.
Dot indexing is not supported for variables of this type.
Error in Fun_Objective (line 23)
Conv = Aspen.Tree.FindNode("\Data\Results Summary\Run-Status\Output\PER_ERROR").Value; %Convergence
I am getting an error suddenly after certain interations ( sometimes 1/5/20 iterations) that dot indexing not supported in the statement above. When I go and check the aspen file it just shows required input complete, but does not run. At the start I have reinit the code and I do run the engine, but it still shows required input complete, and the simulation does not run. Does anyone face a similar problem like this?
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Accepted Answer
Walter Roberson
on 29 Sep 2024
Change
Conv = Aspen.Tree.FindNode("\Data\Results Summary\Run-Status\Output\PER_ERROR").Value; %Convergence
to
ConvNode = Aspen.Tree.FindNode("\Data\Results Summary\Run-Status\Output\PER_ERROR");
if isempty(ConvNode)
error('failed to find PER_ERROR node');
else
Conv = ConvNode.Value; %Convergence
end
5 Comments
Walter Roberson
on 30 Sep 2024
Conv = nan;
for retry_count = 1 : 10
ConvNode = Aspen.Tree.FindNode("\Data\Results Summary\Run-Status\Output\PER_ERROR");
if ~isempty(ConvNode)
Conv = ConvNode.Value;
break
end
end
You can retry the FindNode. I suspect, however, that the process may be stuck, and it might be necessary to close down the connection and open it again.
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