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lines changed Original file line number Diff line number Diff line change @@ -228,6 +228,7 @@ paddle.scatter_nd .. _api_paddle_scatter_nd:
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paddle.scatter_nd_add .. _api_paddle_scatter_nd_add:
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paddle.shard_index .. _api_paddle_shard_index:
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paddle.sign .. _api_paddle_sign:
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+ paddle.sgn .. _api_paddle_sgn:
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paddle.sin .. _api_paddle_sin:
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paddle.sinh .. _api_paddle_sinh:
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paddle.slice .. _api_paddle_slice:
Original file line number Diff line number Diff line change @@ -107,6 +107,7 @@ tensor 数学操作
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" :ref: `paddle.rsqrt <cn_api_fluid_layers_rsqrt >` ", "rsqrt 激活函数"
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" :ref: `paddle.scale <cn_api_fluid_layers_scale >` ", "缩放算子"
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" :ref: `paddle.sign <cn_api_tensor_sign >` ", "对输入 x 中每个元素进行正负判断"
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+ " :ref: `paddle.sgn <cn_api_tensor_sgn >` ", "对输入 x 中每个元素进行正负判断,对于复数则输出单位向量"
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" :ref: `paddle.sin <cn_api_fluid_layers_sin >` ", "计算输入的正弦值"
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" :ref: `paddle.sinh <cn_api_fluid_layers_sinh >` ", "双曲正弦函数"
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" :ref: `paddle.sqrt <cn_api_fluid_layers_sqrt >` ", "计算输入的算数平方根"
Original file line number Diff line number Diff line change @@ -227,6 +227,7 @@ Methods
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set_value
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shard_index
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sign
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+ sgn
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sin
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sinh
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slice
Original file line number Diff line number Diff line change @@ -1972,6 +1972,15 @@ sign(name=None)
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请参考 :ref: `cn_api_tensor_sign `
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+ sgn(name=None)
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+ :::::::::
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+
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+ 返回:计算后的 Tensor
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+
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+ 返回类型:Tensor
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+
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+ 请参考 :ref: `cn_api_tensor_sgn `
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+
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sin(name=None)
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:::::::::
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Original file line number Diff line number Diff line change
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+ .. _cn_api_tensor_sgn :
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+
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+ sgn
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+ -------------------------------
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+
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+ .. py :function :: paddle.sgn(x, name = None )
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+
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+ 对于复数张量,此函数返回一个新的张量,其元素与 input 元素的角度相同且绝对值为 1。
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+
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+ 对于实数张量,对输入参数 ``x `` 中每个元素进行正负判断,并且输出正负判断值:1 代表正,-1 代表负,0 代表零。
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+
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+ 参数
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+ ::::::::::::
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+ - **x ** (Tensor) – 输入 Tensor,数据类型为 float16、float32、float64、complex64 或 complex128。
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+ - **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。
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+
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+ 返回
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+ ::::::::::::
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+ Tensor,输出正负号或复数的单位向量,数据的 shape 大小及数据类型和输入 ``x `` 一致。
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+
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+
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+ 代码示例
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+ ::::::::::::
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+
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+ COPY-FROM: paddle.sgn
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