Compute the lower regularized incomplete Gamma function P(a, x).
tf.raw_ops.Igamma(
a, x, name=None
)
The lower regularized incomplete Gamma function is defined as:
\(P(a, x) = gamma(a, x) / Gamma(a) = 1 - Q(a, x)\)
where
\(gamma(a, x) = \\int_{0}^{x} t^{a-1} exp(-t) dt\)
is the lower incomplete Gamma function.
Note, above Q(a, x) (Igammac) is the upper regularized complete
Gamma function.
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). |
Returns | |
|---|---|
A Tensor. Has the same type as a.
|