gammaincc
gammaincc(
a,x):number
Defined in: special.js:149
Regularized upper incomplete gamma Q(a, x) = 1 - P(a, x), computed without the cancellation of literally doing 1 - P.
Parameters
a
number
Shape parameter, a > 0
x
number
Argument, x >= 0
Returns
number
Q(a, x) in [0, 1]