tsa.vector_ar
method
VARProcess.
is_stable
Determine stability based on model coefficients
Print eigenvalues of the VAR(1) companion
Notes
Checks if det(I - Az) = 0 for any mod(z) <= 1, so all the eigenvalues of the companion matrix must lie outside the unit circle
statsmodels.tsa.vector_ar.var_model.VARProcess.intercept_longrun
statsmodels.tsa.vector_ar.var_model.VARProcess.long_run_effects