diff ( y , x , 1 ) = sin(0.3 * x + 0.1) + (0.1 * x + 0.2) ; ! Digits := 32; max_terms := 40; ! x_start := c(1.0); x_end := c(5.0) ; diff(y,0,exact_soln_y(x_start)); glob_display_interval := c(0.1); 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(0.05 * x * x + 0.2 * x - cos(0.3 * x + 0.1) / 0.3); return(c(0.05) * c(x) * c(x) + c(0.2) * c(x) - cos(c(0.3) * c(x) + c(0.1)) / c(0.3)); end;