/math-7b7f9dbfea05c83784f8b85149852f08.png "\alpha")
of the gamma distribution, must be positive(/math-323c5f97105643bc61e288fe596194ca.png "a>0")
).Computes the lower/upper tail probability for the gamma distribution with real degrees of freedom, with parameters a and b.
double prob = gamcdf(double g, double a, double b[, int tail])
g
a
of the gamma distribution, must be positive().b
/math-b0603860fcffe94e5b8eec59ed813421.png "\beta")
of the gamma distribution, must be positive(/math-539fa66a54d60fdbd6278ccebed13ddd.png "b>0")
).tail
prob
gamcdf(150,2,2,1)=; //ANS: 2.0357640909741E-31