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Numerical technique to trace the loci of the complex roots of characteristic equations. (English) Zbl 0471.65027


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, \({}_0F_1\)
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