mindspore/docs/api/api_python/ops/mindspore.ops.Sign.rst

21 lines
541 B
ReStructuredText
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

mindspore.ops.Sign
===================
.. py:class:: mindspore.ops.Sign
符号函数计算输入Tensor元素的执行符号。
.. math::
sign(x) = \begin{cases} -1, &if\ x < 0 \cr
0, &if\ x = 0 \cr
1, &if\ x > 0\end{cases}
输入:
- **x** (Tensor) - Sign的输入shape :math:`(N, *)` ,其中 :math:`*` 表示任意数量的附加维度。
输出:
Tensorshape和数据类型与 `x` 相同。
异常:
- **TypeError** - 如果 `x` 不是Tensor。