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Add paddle::Tensor::slice guides doc #3824

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Aug 20, 2021
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Add paddle::Tensor::slice guides doc #3824

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Add paddle::Tensor::slice API doc
Aug 18, 2021
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Add note for slice api
Aug 18, 2021
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3 changes: 3 additions & 0 deletions docs/guides/07_new_op/new_custom_op_cn.md
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Expand Up @@ -97,6 +97,9 @@ std::vector<paddle::Tensor> OpFucntion(const paddle::Tensor& x, ..., int attr, .
- 模板类方法，获取数据内存的起始地址（只读访问）
- `template <typename T> T* mutable_data(const PlaceType& place)`：
- 模板类方法，输入参数 `place` ，根据 `Tensor.shape` 在指定设备上申请内存，并返回内存的起始地址
- `Tensor slice(const int64_t begin_idx, const int64_t end_idx) const`：
- 输入参数起始行 `begin_idx` 和终止行 `end_idx`，返回当前 `Tensor` 从起始行（含）到终止行（不含）的一个视图
> 注：本API仅支持对当前 `Tensor` 的第一个维度（即 axis = 0）进行切分
- 工具类API：
- `template <typename T> Tensor copy_to(const PlaceType& place) const`：
- 模板类方法，输入参数 `place`，将当前 `Tensor` 拷贝到指定设备上并返回
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