Compute the polygamma function \(\psi^{(n)}(x)\).
tf.raw_ops.Polygamma( a, x, name=None )
The polygamma function is defined as:
\(\psi^{(a)}(x) = \frac{d^a}{dx^a} \psi(x)\)
where \(\psi(x)\) is the digamma function. The polygamma function is defined only for non-negative integer orders \a\.
Args | |
---|---|
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). |
Returns | |
---|---|
A Tensor . Has the same type as a . |
© 2020 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/versions/r2.4/api_docs/python/tf/raw_ops/Polygamma