MacFormat 1995 April/macformat-023.iso/Shareware City/Developers/RLaB/rlib/isnan.r

Text File | 1994-02-21 | 365 b | 16 lines | [TEXT/RLAB]

//-------------------------------------------------------------------//

//  Syntax:    isnan ( X )

//  Description:

//  Isnan returns a matrix the same size as X containing zeros and
//  ones. The ones locate the values in X that are NaNs.

//-------------------------------------------------------------------//

isnan = function ( X )
{
  return ! ( X == X );
};