diff ( y , x , 1 ) = (0.2 * x + 0.3) / exp(x); ! Digits := 32; max_terms := 30; ! x_start := 1.0; # did poorly with x_start := -5.0; x_end := 5.0 ; diff(y,0,exact_soln_y(x_start)); glob_look_poles := true; # # Not Given = 0 # Real = 1 # Complex = 2 # No Pole = 3 # Impossible Eq = 4 # glob_type_given_pole := 3; ! exact_soln_y := proc(x) return(-(0.1 * (5.0 + 2.0*x))/exp(x)); end;