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# scipy.special.gammaincc

`scipy.special.``gammaincc`(x1, x2[, out]) = <ufunc 'gammaincc'>

  y=gammaincc(a,x) returns the complemented incomplete gamma integral defined as 1 / gamma(a) * integral(exp(-t) * t**(a-1), t=x..inf) = 1 - gammainc(a,x). a must be positive and x must be >= 0.

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