I have two .stl solid (and their equations).I need equation of intersection solid. How do you do?I don't want work with 3integral but mayby by system,thanks!

Where I can found inverted pendulum on maple sim or good book?thanks

In this fuction the maximize is about at t=46 and x=46 but in the plot I look other max at other value, why?because is discontinus fuction?I need not the local max (it is potential energy but I think don't matter)optimization2enerpot.mws

please help me on check my schmitt2.msim schmitt's trigger 

giratore.msim which error?I can't see V and I?thanks