time hamiltonian-formalism notation differentiation poisson-brackets asked Dec 2, 2017 at 12:37

macros optional-arguments asked Nov 8, 2017 at 16:50

analysis blood-simple asked Jul 9, 2017 at 10:51

r osx asked Dec 27, 2016 at 22:24

math-mode equations loops asked Jul 19, 2017 at 15:51