calculus of variations

== English == === Pronunciation === === Noun === the calculus of variations (uncountable) (calculus) The form of calculus that deals with the maxima and minima of definite integrals of functions of many variables. 2004, Bernard Dacorogna, Introduction to the Calculus of Variations, 2nd Edition, Imperial College Press, page 2, In the nineteenth century and in parallel to some of the work that was mentioned above, probably, the most celebrated problem of the calculus of variations emerged, namely the study of the Dirichlet integral; a problem of multiple integrals. ==== Translations ==== === Further reading === Fundamental lemma of calculus of variations on Wikipedia.Wikipedia Euler–Lagrange equation on Wikipedia.Wikipedia Functional (mathematics) on Wikipedia.Wikipedia Functional derivative on Wikipedia.Wikipedia