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

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發送短信 : Numerical solution of the Helmholtz equation with high wavenumbers