Functional and numerical solution of a control problem originating from heat transfer |
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Authors: | J Burger M Pogu |
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Institution: | (1) Laboratoire d'Automatique de Nantes, Ecole Nationale Supérieure de Mécanique, Nantes, France;(2) Service de Mathématiques, Ecole Nationale Supérieure de Mécanique, Nantes, France |
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Abstract: | The solution of a nonlinear parabolic equation is studied from both the functional and the numerical points of view. Existence, uniqueness, and stability results are given. A boundary-control problem is then presented. Expressions of the gradient and the Hessian of the cost function are given with some details, and the Newton method is compared with a gradient method and the Fletcher-Reeves method. Numerical results are given. The paper concludes with a discussion of the advantages of the Newton method as applied to a control problem. |
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Keywords: | Nonlinear parabolic equations functional analysis existence uniqueness control problems Newton's method |
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