nc_beta_ref4

]> nc_beta_ref4

\begin{array}{rcl} F (x; α, β; λ) & = & \sum_{i = 0}^{\infty} P (i; \frac{λ}{2}) I_{x} (α + i, β) \\ 1 - F (x; α, β; λ) & = & \sum_{i = 0}^{\infty} P (i; \frac{λ}{2}) (1 - I_{x} (α + i, β)) \end{array}