fix the scatternd/scatterndadd #27634
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jzhang533
reviewed
Sep 28, 2020
python/paddle/fluid/layers/nn.py
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| If :attr:`index` has repeated elements, then the corresponding updates are accumulated. | ||
| Because of the numerical approximation issues, the different order of repeated elements | ||
| in :attr:`index` may cause different results. The specific calculation method can be | ||
| seen :code:`scatter_nd_add` . This op is the inverse of the :code:`gather_nd` op. | ||
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| Args: | ||
| index (Variable): The index input with rank > 1 and index.shape[-1] <= len(shape). | ||
| index (Tensor): The index input with rank > 1 and index.shape[-1] <= len(shape). |
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| :attr:`x` is a Tensor with rank :math:`R` | ||
| and :attr:`index` is a Tensor with rank :math:`K` . Thus, :attr:`index` | ||
| has shape :math:`[i_0, i_1, ..., i_{K-2}, Q]` where :math:`Q \leq R` . :attr:`updates` |
python/paddle/tensor/manipulation.py
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| Args: | ||
| x (Tensor): The x input. Its dtype should be float32, float64. | ||
| index (Tensor): The index input with rank > 1 and index.shape[-1] <= x.rank. |
XiaoguangHu01
approved these changes
Sep 29, 2020
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| x = paddle.rand(shape=[3, 5, 9, 10], dtype='float32') | ||
| updates = paddle.rand(shape=[3, 9, 10], dtype='float32') | ||
| index_data = np.array([[1, 1], |
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这里不需要用numpy, 可以直接用to_tensor把list转换为tensor
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fix the scatter_nd doc
fix the scatter_nd_add doc