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35 changes: 19 additions & 16 deletions docs/api/paddle/log_cn.rst
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Original file line number Diff line number Diff line change
@@ -1,30 +1,33 @@
.. _cn_api_paddle_log:

log
-------------------------------

.. py:function:: paddle.log(x, name=None)




paddle.log(x, name=None)
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需要使用 py:function:: 格式，具体请参考其他文档的撰写方法

Log 激活函数（计算自然对数）

.. math::
\\Out=ln(x)\\

.. math::
Out=ln(x)

参数
::::::::::::

- **x** (Tensor) – 输入为 Tensor。数据类型只能为 int32，int64，float16，bfloat16，float32， float64， complex64 或 complex128。
:::::::::
- **x** (Tensor) – 输入的 Tensor。数据类型只能为 int32、int64、float16、bfloat16、float32、float64、 complex64 或 complex128
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一般使用中文逗号隔开，这里不需要修改

- **name** (str，可选) - 具体用法请参见 :ref:`api_guide_Name`，一般无需设置，默认值为 None。

返回
::::::::::::
:::::::::
Tensor, Log 算子自然对数输出，数据类型与输入一致。

代码示例
::::::::::::
::::::::::

>>>import paddle

>>>x = [[2, 3, 4], [7, 8, 9]]

>>>x = paddle.to_tensor(x, dtype='float32')

>>>print(paddle.log(x))

Tensor(shape=[2, 3], dtype=float32, place=Place(cpu), stop_gradient=True,

COPY-FROM: paddle.log
[[0.69314718, 1.09861231, 1.38629436],
[1.94591010, 2.07944155, 2.19722462]])
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COPY-FROM: paddle.log 是从英文文档的代码示例中自动复制过来，不需要直接写明代码示例吧~