diff ( y , x , 1 ) = tan (2.0 * x + 3.0 ) ; ! Digits := 32; max_terms := 30; ! x_start := c(-1.0); x_end := c(-0.9) ; diff(y,0,exact_soln_y(x_start)); glob_look_poles := true; glob_min_h := c(0.0001); # # Not Given = 0 # Real = 1 # Complex = 2 # No Pole = 3 # Impossible Eq = 4 # glob_type_given_pole := 1; # Real Part array_given_rad_poles[1,1] := c(-0.714601837); # Imag Part array_given_rad_poles[1,2] := c(0.0); # Order array_given_ord_poles[1,1] := c(0.0); # Not Used array_given_ord_poles[1,2] := c(0.0); ! exact_soln_y := proc(x) # return(ln(1.0 + expt(tan(2.0 * x + 3.0),2))/4.0); return(ln(c(1.0) + expt(tan(c(2.0) * c(x) + c(3.0)),c(2)))/c(4.0)); end;