(*  airy_bi_prime_values.nb *)
(* *)
(*  Purpose: *)
(*    Evaluate the derivative of the Airy Bi *)
(*    function at selected argument values fx(x), *)
(*    and write the data to a file. *)
(* *)
(*  Modified:  30 November 2005 *)
(*  Author:  John Burkardt *)

xvec = {};
fvec = {};
Do [ 
{  
x = i/10, 
xvec = Append [ xvec, x],
f = AiryBiPrime[x] ,
fvec = Append[fvec,f],
 Print[ "f[", x,"] = ",N[f,16]] 
}, {i,0,10,1} ]
num = Length [ xvec ];

fileout=OpenWrite["/Users/burkardt/public_html/math_src/test_values/airy_bi_prime_values.txt"];
SetOptions[fileout,FormatType->TextForm];
Write[fileout,"#  airy_bi_prime_values.txt"];today=DateList[];Write[fileout,"#  Created on ",today];Write[fileout,"#"];
Write[fileout,"#  x  fx"];
Write[fileout,"#"];
Do[{x=xvec[[i]];f=fvec[[i]];Write[fileout,N[x,16],"  ",N[f,16]]},{i,1,num,1}];Close[fileout];