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

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mindspore.ops.logit
===================
.. py:function:: mindspore.ops.logit(input, eps=None)
逐元素计算tensor的逻辑回归函数值。
公式如下:
.. math::
\begin{align}
y_{i} & = \ln(\frac{z_{i}}{1 - z_{i}}) \\
z_{i} & = \begin{cases}
input_{i} & \text{if eps is None} \\
\text{eps} & \text{if } input_{i} \lt \text{eps} \\
input_{i} & \text{if } \text{eps} \leq input_{i} \leq 1 - \text{eps} \\
1 - \text{eps} & \text{if } input_{i} \gt 1 - \text{eps}
\end{cases}
\end{align}
参数:
- **input** (Tensor) - 输入tensor。
- **eps** (float, 可选) - 用于输入限制边界的epsilon值。当eps不是None时输入的数值界限被定义[eps, 1-eps],否则没有界限。
默认 ``None``
返回:
Tensor