betacdf
Beta cumulative distribution function (CDF).
For each element of x, compute the cumulative distribution function at x of the Beta distribution with parameters a and b. The size of p is the common size of x, a and b. A scalar input functions as a constant matrix of the same size as the other inputs.
p = betacdf (x, a, b, "upper")
computes the
upper tail probability of the Beta distribution with parameters a and
b at the values in x.
See also: betainv, betapdf, betarnd, betastat
Source Code: betacdf