"variational" - related terms and sources

Wikipedia sources: Expectation-maximization algorithm • Finite element method • Hartree-Fock • Lagrangian mechanics • Mathematical physics • Renormalization group

Related terms: bare action • classical mechanics • delta q • effective average action • fluid dynamics • functional analysis • hamiltonian • hidden markov • inertial forces • invariance • lagrange • ln • macroscopic • mathbf z • mathematical physics equations • momenta • mortaza • partial • particle physics • piecewise polynomial basis • quantum field theory • quantum mechanics • relativity • renormalization group • scf • software packages • sparse matrix • textbf • tilde • variational