diff ( y , x , 1 ) = arccos(0.1 * x + 0.2) ; ! max_terms := 30; Digits := 32; ! x_start := c(-0.8); x_end := c(0.8) ; 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 := 0; # Real Part array_given_rad_poles[1,1] := c(0.0); # Imag Part array_given_rad_poles[1,2] := c(1.0); # Order array_given_ord_poles[1,1] := c(1.0); # Not Used array_given_ord_poles[1,2] := c(0.0); ! exact_soln_y := proc(x) #return(10.0 * (0.1 * x + 0.2) * arccos(0.1 * x + 0.2 ) - 10.0 * sqrt(1.0 - expt((0.1 * x + 0.2) , 2 ))); return(c(10.0) * (c(0.1) * c(x) + c(0.2)) * arccos(c(0.1) * c(x) + c(0.2) )-c(10.0) * sqrt(c(1.0) - expt((c(0.1) * c(x) + c(0.2)) , c(2) ))); end;