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 _____      ______   _    _      ___      _____   
|  __ \\   /_   _// | \  / ||   / _ \\   / ____|| 
| |  \ ||   -| ||-  |  \/  ||  / //\ \\ / //---`' 
| |__/ ||   _| ||_  | .  . || |  ___  ||\ \\___   
|_____//   /_____// |_|\/|_|| |_||  |_|| \_____|| 
 -----`    `-----`  `-`  `-`  `-`   `-`   `----`

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Text this: Unified method to analyze the hollow conducting waveguides by superquadric representation