tf.math.polygamma | TensorFlow v2.0.0 (original) (raw)
tf.math.polygamma
Stay organized with collections Save and categorize content based on your preferences.
Compute the polygamma function \(\psi^{(n)}(x)\).
View aliases
Compat aliases for migration
SeeMigration guide for more details.
tf.compat.v1.math.polygamma, tf.compat.v1.polygamma
tf.math.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. |
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2020-10-01 UTC.