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 ______    _    _     ______     ___              
|      \\ | || | ||  /_____//   / _ \\      ___   
|  --  // | || | ||  `____ `   | / \ ||    /   || 
|  --  \\ | \\_/ ||  /___//    | \_/ ||   | [] || 
|______//  \____//   `__ `      \___//     \__ || 
`------`    `---`    /_//       `---`       -|_|| 
                     `-`                     `-`

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Text this: Application of multi-domain GDQ method to analysis of waveguides with rectangular boundaries