Dear STKO team and other users:
I am a STKO beginner and am currently learning to use STKO for modeling and analysis.
I have a problem when learning the eigenvalue analysis, and the calculated eigenvalue result of the model is NaN.
I found in the forum that some STKO users have encountered this problem, and this problem is usually because the model structure is singular. I checked my model (to be honest, this model is very simple), but I still do not solve the problems, can anyone help me? Thanks very much.
The model and the error information was attached.
'nan' result in eigen analysis
'nan' result in eigen analysis
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Re: 'nan' result in eigen analysis
Mass should be positive