Sufficiency and the Jacobi Condition in the Calculus of Variations

Clarke, Frank H. ; Zeidan, Vera

Canadian journal of mathematics, Tome 38 (1986) no. 5, pp. 1199-1209

Résumé

Besides stating the problem and the results, we shall give in this section a brief overview of the classical necessary and sufficient conditions in the calculus of variations, in order to clearly situate the contribution of this article.1.1 The problem. We are given an interval [a, b], two points xa , xb in R n , and a function L (the Lagrangian) mapping [a, b] × R n × R n to R. The basic problem in the calculus of variations, labeled (P), is that of minimizing the functional over some class X of functions x and subject to the constraints x(a) = xa , x(b) = xb . Let us take for now the class X of functions to be the continuously differentiable mappings from [a, b] to R n ; we call such functions smooth arcs.

Détail

DOI : 10.4153/CJM-1986-060-5

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