NAG Library Manual, Mark 30
Interfaces:  FL   CL   CPP   AD 

NAG FL Interface Introduction
Example description

 D04AAF Example Program Results

 Four separate runs to calculate the first four odd order derivatives of
    f(x) = 0.5*exp(2.0*X-1.0) at x = 0.5.
 The exact results are 1, 4, 16 and 64

 Input parameters common to all four runs
   xval =  0.5    nder = -7    ifail = 0


 with step length   0.5000  the results are
 Order        Derivative       Questionable?
  1           0.1392E+04             Yes
  3          -0.3139E+04             Yes
  5           0.8762E+04             Yes
  7          -0.2475E+05             Yes

 with step length   0.0500  the results are
 Order        Derivative       Questionable?
  1           0.1000E+01             No 
  3           0.4000E+01             No 
  5           0.1600E+02             No 
  7           0.6400E+02             No 

 with step length   0.0050  the results are
 Order        Derivative       Questionable?
  1           0.1000E+01             No 
  3           0.4000E+01             No 
  5           0.1600E+02             No 
  7           0.6404E+02             No 

 with step length   0.0005  the results are
 Order        Derivative       Questionable?
  1           0.1000E+01             No 
  3           0.4000E+01             No 
  5           0.1599E+02             No 
  7           0.3825E+05             Yes