Text this: A three-level average implicit finite difference scheme to solve equation obtained by coupling the Rosenau-KdV equation and the Rosenau-RLW equation

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