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Approximate solution of a Cauchy problem for the Helmholtz equation. (English) Zbl 1099.35160


MSC:

35R25 Ill-posed problems for PDEs
35J25 Boundary value problems for second-order elliptic equations
35Q60 PDEs in connection with optics and electromagnetic theory
35J05 Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation
35A35 Theoretical approximation in context of PDEs
65M70 Spectral, collocation and related methods for initial value and initial-boundary value problems involving PDEs
78A25 Electromagnetic theory (general)
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