diff ( y , x , 1 ) = sin(0.1) + cos(0.05) - tan(0.02); ! 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((sin(0.1) + cos(0.05) - tan(0.02)) * x) ; end;