Computes a saddle point approximation for the PDF of the doubly noncentral
Beta distribution. Code is produced from "Intermediate Probability" by
Marc Paolella, 2007, page 370, Listing 10.11. NOTE: The integral
normalization is slightly greater than 1 due to the saddle point
approximation. Recommendation: normalize with quad.
f = SPncbetapdf(bvec,n1,n2,theta1,theta2)
YOU MUST HAVE SPncfpdf.m too (download here).
Joshua Carmichael (2021). Doubly Noncentral Beta Distribution function (https://www.mathworks.com/matlabcentral/fileexchange/45701-doubly-noncentral-beta-distribution-function), MATLAB Central File Exchange. Retrieved .
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