diff ( y2 , x , 1 ) = m1 * y1 + 1.0 ; diff ( y1 , x , 1 ) = y2 - 1.0 ; ! Digits := 16; max_terms := 40; ! x_start := 0.1; x_end := 0.5; diff(y1,0,exact_soln_y1(x_start)); diff(y2,0,exact_soln_y2(x_start)); # # Not Given = 0 # Real = 1 # Complex = 2 # No Pole = 3 # Impossible Eq = 4 # glob_type_given_pole := 3; ! exact_soln_y1 := proc(x) return(1.0 + cos(x)); end; exact_soln_y2 := proc(x) return(1.0 - sin(x)); end;