You had me at "a more intuition-based explanation of what transfer functions are". :-) Thank you so much for this. edit: By "Lagrange" did you possibly mean to

You had me at "a more intuition-based explanation of what transfer functions are". :-) Thank you so much for this. edit: By "Lagrange" did you possibly mean to write "Laplace"? I confuse those two gentlemen too. p.s. I just learnt Lagrange was Italian! born Giuseppe Luigi Lagrangia.