1996 | OriginalPaper | Chapter
An Inverse Problem for Porous Medium Equation
Author : R. Nabokov
Published in: Parameter Identification and Inverse Problems in Hydrology, Geology and Ecology
Publisher: Springer Netherlands
Included in: Professional Book Archive
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An inverse problem for a nonlinear degenerate diffusion equation is considered. We look for unknown coefficient a(u) of the equation u t = (a(u(u x ) x with zero initial values and nonmonotone impulse-like Dirichlet boundary condition. Measurements in an interior point x 0 are taken as overposed data. An optimization approach is used. The case of the more general equation c(u)u t = (a(u)u x ) x + b(u)u x + s(u) is also considered.