chainer.functions.polygamma¶
-
chainer.functions.polygamma(n, x)[source]¶ Polygamma function.
Note
Forward computation in CPU can not be done if SciPy is not available.
- Parameters
n (
Variableor N-dimensional array) – Input variable.x (
Variableor N-dimensional array) – Input variable.
- Returns
Output variable.
- Return type