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Text File  |  1994-02-21  |  320b  |  15 lines
  1. //-------------------------------------------------------------------//
  2.  
  3. //  Syntax:  asinh ( X )
  4.  
  5. //  Description:
  6.  
  7. //  Asinh is the inverse hyperbolic sine of the element(s) of X.
  8.  
  9. //-------------------------------------------------------------------//
  10.  
  11. asinh = function ( x )
  12. {
  13.   return log (x + sqrt (x.^2 + 1));
  14. };
  15.