# tf.raw_ops.Igammac

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

#### View aliases


**Compat aliases for migration**

See
[Migration guide](https://www.tensorflow.org/guide/migrate) for
more details.

[`tf.compat.v1.raw_ops.Igammac`](https://www.tensorflow.org/api_docs/python/tf/raw_ops/Igammac)

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    tf.raw_ops.Igammac(
        a, x, name=None
    )

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 Gamma function.

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

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| ## Args ||
|---|---|
| `a` | A `Tensor`. Must be one of the following types: `bfloat16`, `half`, `float32`, `float64`. |
| `x` | A `Tensor`. Must have the same type as `a`. |
| `name` | A name for the operation (optional). |

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| ## Returns ||
|---|---|
| A `Tensor`. Has the same type as `a`. ||

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