B L C Dalsgaard 1982 J. Phys. A: Math. Gen. 15 2711 doi:10.1088/0305-4470/15/9/021
B L C Dalsgaard
Show affiliationsIt is shown that the use of the finite-element method with Lagrange multipliers in scattering theory is equivalent to the Kohn variational principle. For simple test problems, the convergence of the reactance matrix is found to agree with the predicted behaviour, that is, the error in Kij is proportional to the square of the error of the Lagrange multiplier.
41A25 Rate of convergence, degree of approximation
65N30 Finite elements, Rayleigh-Ritz and Galerkin methods, finite methods
Issue 9 (1 September 1982)
B L C Dalsgaard 1982 J. Phys. A: Math. Gen. 15 2711
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