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From the Variational Methods package, I can very conveniently use EulerEquations to get stationarity conditions in the form of Euler-Lagrange Stack Exchange Network Stack Exchange network consists of 178 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Variational Methods. The basic problem of the calculus of variations is to determine the function that extremizes a functional .

<<VariationalMethods`. load the variational methods package. VariationalD[f,y[x],x]. find the variational derivative of f ...

Variational Method. Variational methods also serve to solve some inverse problems, that is, to prove the existence of solutions of the equation which have some given properties, such as a given repartition of vortices, through local minimization procedures, or the use of topological methods based on investigating the topology of the energy levels.

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eBook ISBN 978-3-642-82698-6. Series ISSN 1864-5879. Series E-ISSN 1864-5887. Edition Number 1. Number of Pages XII, 410. Number of Illustrations 0 b/w illustrations, 0 illustrations in colour. Topics Mathematical Methods in Physics. Numerical and Computational Physics, Simulation. Quantum Information Technology, Spintronics.

Calculus`VariationalMethods` ... VariationalD gives the first variational derivatives of a functional ... This is the first variational derivative of .

Details. To use VariationalD, you first need to load the Variational Methods Package using Needs["VariationalMethods`"].

Wolfram Community forum discussion about Variational method. ... hello, Is it possible to calcualte the variational method in mathematica?

Galerkin method. Using Mathematica. (intro.nb, eulerbeam.nb, ritzbeam.nb, ritzbeamn.nb) Lecture 3: Further examples on the Rayleigh-Ritz method: cantilever ...

Variational Methods Package. VariationalD — first variational derivative of a functional. EulerEquations — Euler equation for the functional. FirstIntegral, FirstIntegrals — first integrals of the functional. VariationalBound — upper bound for the eigenvalue and the optimal values of …

Variational Methods. The basic problem of the calculus of variations is to determine the function that extremizes a functional . In general, there can be more than one independent variable and the integrand can depend on several functions and their higher derivatives.

You can use the the function VariationalD in package VariationalMethods: Needs["VariationalMethods`"] VariationalD[u[x] + x^2 u[x] - 2 u[x] ...

Details. To use EulerEquations, you first need to load the Variational Methods Package using Needs["VariationalMethods`"].

All the functionality in Calculus`VariationalMethods` is now available through the newly created Variational Methods Package.

Variational Methods Package. VariationalD — first variational derivative of a functional. EulerEquations — Euler equation for the functional.