1964 Volume 19 Issue 7 Pages 1213-1221
Simultaneous Wiener-Hopf equations with the kernel which is a symmetric and normal Jacobi matrix and their application to diffraction problems in electromagnetic theory are discussed. It can be shown that there exists a constant orthogonal matrix such that it transforms the kernel into a diagonal form, so the standard Wiener-Hopf procedure can be applied to solve the n simultaneous equations exactly. On the basis of this result, a treatment is made of the problem of a duct with n semi-infinite parallel plates. Under appropriate conditions a rigorous solution is obtained by an elementary method without recourse to Sylvester’s theorem.
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