mindspore.numpy.log2

mindspore.numpy.log2(x, dtype=None)[源代码]

Base-2 logarithm of x.

说明

Numpy arguments out, where, casting, order, subok, signature, and extobj are not supported.

参数

  • x (Tensor) – Input tensor.

  • dtype (mindspore.dtype, optional) – Default: None. Overrides the dtype of the output Tensor.

返回

Tensor or scalar. This is a scalar if x is a scalar.

Supported Platforms:

Ascend GPU CPU

样例

>>> import mindspore.numpy as np
>>> x = np.array([2, 4, 8]).astype('float16')
>>> output = np.log2(x)
>>> print(output)
[1. 2. 3.]