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

25 lines
580 B
ReStructuredText
Raw 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:function:: mindspore.ops.sign(x)
按sign公式逐元素计算输入Tensor。
.. math::
\text{out}_{i} = \begin{cases}
-1 & \text{x} < 0 \\
0 & \text{x} = 0 \\
1 & \text{x} > 0
\end{cases}
如果输入为nan则返回0。
参数:
- **x** (Tensor) - 输入Tensor。
返回:
Tensor `x` 的sign计算结果。
异常:
- **TypeError** - 如果 `x` 不是Tensor。