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

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Text this: A fith-order Runge-Kutta in the interaction picture method for simulating the nonlinear Schrödinger equation