Bahar, E.; Fitzwater, M. Numerical technique to trace the loci of the complex roots of characteristic equations. (English) Zbl 0471.65027 SIAM J. Sci. Stat. Comput. 2, 389-403 (1981). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 Documents MSC: 65H05 Numerical computation of solutions to single equations 30C15 Zeros of polynomials, rational functions, and other analytic functions of one complex variable (e.g., zeros of functions with bounded Dirichlet integral) 78A50 Antennas, waveguides in optics and electromagnetic theory 33C10 Bessel and Airy functions, cylinder functions, \({}_0F_1\) Keywords:complex roots of characteristic equations; modal equation for the vertically polarized waves; earth-ionosphere waveguide; root loci; conformal mapping; covering space; spherical Bessel functions PDFBibTeX XMLCite \textit{E. Bahar} and \textit{M. Fitzwater}, SIAM J. Sci. Stat. Comput. 2, 389--403 (1981; Zbl 0471.65027) Full Text: DOI