diff ( y , x , 1 ) = exp(0.1 * x) / exp(0.2 * x); ! Digits := 32; max_terms := 30; ! x_start := 0.1; x_end := 5.0 ; diff(y,0,exact_soln_y(x_start)); glob_h := 0.05; glob_look_poles := true; glob_max_iter := 1000000; ! exact_soln_y := proc(x) return(- 10.0 * (exp(0.1* x)/exp(0.2*x))); end;