nag_stat_inv_cdf_beta_vector (g01tec) Example Program Data 0.0 :: tol 1 :: ltail Nag_LowerTail :: tail 3 :: lp 0.50 0.99 0.25 :: p 3 :: la 1.0 1.5 20.0 :: a 3 :: lb 2.0 1.5 10.0 :: b