Symbolic-Numeric Computation of the Eigenvalues and Eigenfunctions of the Leaky Modes in a Regular Homogeneous Open WaveguideDmitriy Divakov, Anastasiia Tiutiunnik and Anton SevastianovMATEC Web Conf., 186 (2018) 01009DOI: https://doi.org/10.1051/matecconf/201818601009