/*
** Lesson 6.1: One-Variable Scalar-Valued Function
** f(x) = ln(x) - x^2
*/
use gpe2;
output file=gpe\output6.1 reset;

fn f(data,x)=ln(x)-x^2;

call reset;
_nlopt=1;
_iter=100;
_b=0.5;
call estimate(&f,0);

end;