"Source: Text/Basics/FldRe.text";
"Line: 3911";
"Date: Fri Nov  8 12:30:11 2019";
"Main: Thu May 25 10:02:38 2023";
// original file: Text/Basics/FldRe.text, line: 3911
// Example: H26E14 ()
print "Example: H26E14";
ei := GetEchoInput();
SetEchoInput(true);
f := func<x|Exp(2*x)>;
NumericalDerivative(f, 10, ComplexField(30)! 1.0) / f (1.0);
NumericalDerivative(func<x|LogGamma(x)>,1,ComplexField()!3.0);
Psi(3.0); // Psi is Gamma'/Gamma
SetEchoInput(ei);
