tf.polygamma
tf.polygamma
tf.polygamma
polygamma( a, x, name=None )
Defined in tensorflow/python/ops/gen_math_ops.py
.
See the guide: Math > Basic Math Functions
Compute the polygamma function \(\psi^{(n)} (x)\).
The polygamma function is defined as:
\(\psi^{(n)} (x) = \frac{d^n}{dx^n} \psi(x)\)
where \(\psi(x)\) is the digamma function.
Args:
-
a
: ATensor
. Must be one of the following types:float32
,float64
. -
x
: ATensor
. Must have the same type asa
. -
name
: A name for the operation (optional).
Returns:
A Tensor
. Has the same type as a
.
© 2017 The TensorFlow Authors. All rights reserved.
Licensed under the Creative Commons Attribution License 3.0.
Code samples licensed under the Apache 2.0 License.
https://www.tensorflow.org/api_docs/python/tf/polygamma