This is a preview. Log in through your library . Abstract A finite element method is derived for solving equations of the following type $-(p(x)u'(x, \omega))' + (q(x) + r(x)\lambda(\omega))^2u(x, ...
The Helmholtz equation is a fundamental partial differential equation that underpins the analysis of wave propagation, acoustic scattering and electromagnetic phenomena. Its numerical solution is ...
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