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AuthorTroutman, John L. author
TitleVariational Calculus and Optimal Control [electronic resource] : Optimization with Elementary Convexity / by John L. Troutman
ImprintNew York, NY : Springer New York : Imprint: Springer, 1996
Edition Second Edition
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Descript XV, 462 p. online resource


Although the calculus of variations has ancient origins in questions of Arยญ istotle and Zenodoros, its mathematical principles first emerged in the postยญ calculus investigations of Newton, the Bernoullis, Euler, and Lagrange. Its results now supply fundamental tools of exploration to both mathematicians and those in the applied sciences. (Indeed, the macroscopic statements obยญ tained through variational principles may provide the only valid mathematiยญ cal formulations of many physical laws. ) Because of its classical origins, variational calculus retains the spirit of natural philosophy common to most mathematical investigations prior to this century. The original applications, including the Bernoulli problem of finding the brachistochrone, require optiยญ mizing (maximizing or minimizing) the mass, force, time, or energy of some physical system under various constraints. The solutions to these problems satisfy related differential equations discovered by Euler and Lagrange, and the variational principles of mechanics (especially that of Hamilton from the last century) show the importance of also considering solutions that just provide stationary behavior for some measure of performance of the system. However, many recent applications do involve optimization, in particular, those concerned with problems in optimal control. Optimal control is the rapidly expanding field developed during the last half-century to analyze optimal behavior of a constrained process that evolves in time according to prescribed laws. Its applications now embrace a variety of new disciplines, including economics and production planning


0 Review of Optimization in ?d -- Problems -- One Basic Theory -- 1 Standard Optimization Problems -- 2 Linear Spaces and Gรขteaux Variations -- 3 Minimization of Convex Functions -- 4 The Lemmas of Lagrange and Du Bois-Reymond -- 5 Local Extrema in Normed Linear Spaces -- 6 The Euler-Lagrange Equations -- Two Advanced Topics -- 7 Piecewise C1 Extremal Functions -- 8 Variational Principles in Mechanics -- 9 Sufficient Conditions for a Minimum -- Three Optimal Control -- 10 Control Problems and Sufficiency Considerations -- 11 Necessary Conditions for Optimality -- A.1. The Intermediate and Mean Value Theorems -- A.2. The Fundamental Theorem of Calculus -- A.3. Partial Integrals: Leibnizโ{128}{153} Formula -- A.4. An Open Mapping Theorem -- A.5. Families of Solutions to a System of Differential Equations -- A.6. The Rayleigh Ratio -- Historical References -- Answers to Selected Problems

Mathematics System theory Calculus of variations Mathematics Calculus of Variations and Optimal Control; Optimization Systems Theory Control


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