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dynamicslab / SINDy-PI

SINDy-PI: A Robust Algorithm for Parallel Implicit Sparse Identification of Nonlinear Dynamics

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Duplicity in RHS_Struct

GemmaMasFes6 opened this issue · comments

commented

Hi!

I am using the SINDy-PI with the example of SinglePendulumOnChart and, when I change the LibPoly and GuessPoly from its initial definition to LibPoly=[2;1;0;0]; and GuessPoly=[2;1;0;0]; I observe that the RHS_Struct has repeated terms, i.e., all the combinations between the states appear twice. I don't know if it is a bug or if it is necessary in order to discover the model.