Hi, Since Euler-Lagrange equations are useful outside of physics, that's why there's a method in the calculus module. But, like Jason said, you'll probably want to use the one in the physics module to take advantage of the other features.
Cheers, Tim. On 2014-08-14, at 1:13 AM, Rathmann <[email protected]> wrote: > Hello, > > I have been watching the lectures of Susskind's "Theoretical Minimum" course, > and using Sympy with IPython notebook to take notes, and work through some of > the examples. > > Sympy is serious overkill for this purpose, but overall it has been working > well. > > A couple of questions: > * What is the best way to deal with dynamics variables and the dot > convention for printing? (In physics, the first time derivative of x is often > written as \dot{x} instead of dx/dt.) Is there an easy way to get IPython > notebook to print dynamics variables using the dot convention, and still give > the nice LaTeX-rendered equations? If I use vprint (from physics.vector), I > get the variables with primes, but just a text rendering of the equations. > * I notice sympy.physics.mechanics.LagrangesMethod and > sympy.calculus.euler.euler_equations both implement Lagrangian mechanics. Is > one of these more "official" than the other? Both seem to work for the very > simple examples I have tried. > Thanks > > -- > You received this message because you are subscribed to the Google Groups > "sympy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/sympy. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/fe1737e3-3b19-40e5-8983-5d64bfad8e2f%40googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sympy. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/14ECA3D4-0B86-4692-BB85-0E50ACF4AA3C%40gmail.com. For more options, visit https://groups.google.com/d/optout.
