mindspore.ops.digamma

mindspore.ops.digamma(input)

Computes the logarithmic derivative of the gamma function on input tensor.

$$P(x)=\frac{d}{dx}(\ln (\mathrm{\Gamma }(x)))$$

Warning

This is an experimental API that is subject to change or deletion.

Parameters

input (Tensor) – The input tensor.

Returns

Tensor

Supported Platforms:

GPU CPU

Examples

>>> import mindspore
>>> input = mindspore.tensor([1.5, 0.5, 9])
>>> output = mindspore.ops.digamma(input)
>>> print(output)
[ 0.03648992 -1.9635109   2.1406415 ]