I think for the initial program because it has 136 equations and it needs to calculate the common part many times so that it has a long run time. But I didn’t, maybe I should. if you are interested see this link,
I think for the initial program because it has 136 equations and it needs to calculate the common part many times so that it has a long run time. But I didn’t, maybe I should. if you are interested see this link,