Thank you Chris, the positive domain link was not working for me before, but now it is, but Positive domain, will not be an option to explore for CVODE_BDF, right? As it seems to be applicable for call backs, which applies to the julia solvers within your DifferentialEquations solvers, right? Thank you once more, for answering the question about this option applied to CVODE_BDF.
Thank you.
Christian,