# tf.math.igammac

Compute the upper regularized incomplete Gamma function Q(a, x).

### Used in the notebooks

Used in the tutorials

The upper regularized incomplete Gamma function is defined as:

$$Q(a, x) = Gamma(a, x) / Gamma(a) = 1 - P(a, x)$$

where

$$Gamma(a, x) = int_{x}^{\infty} t^{a-1} exp(-t) dt$$

is the upper incomplete Gama function.

Note, above P(a, x) (Igamma) is the lower regularized complete Gamma function.

a A Tensor. Must be one of the following types: float32, float64.
x A Tensor. Must have the same type as a.
name A name for the operation (optional).

A Tensor. Has the same type as a.

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