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$$$$ ZLEG     NOTICE  CHAT      11/09/12    21:18:39     7124           
                                             DATE     11/09/12
                                             
  Operateur ZLEG                           Voir aussi :
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    LREE1 LREE2 = ZLEG ENT1;
  

    Description :
    _____________
 
    The ZLEG operator computes the zeroes and the weights of
    the derivative of Legendre polynomial in the normalized
    inteval (-1, +1).

    ENT1 is the degree of the polynomial. There are
         ENT1 + 1 points 

    LREE1 listreel containing the ENT1 + 1 coordinates
          of the points (normalized in the interval (-1, +1)).

    LREE2 listreel containing the ENT1 + 1 Gauss-Lobatto
          weights