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@@ -213,18 +213,21 @@ class IndexedSlices: |
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A sparse representation of a set of tensor slices at given indices. |
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A sparse representation of a set of tensor slices at given indices. |
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An IndexedSlices is typically used to represent a subset of a larger |
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An IndexedSlices is typically used to represent a subset of a larger |
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tensor dense of shape [LARGE0, D1, .. , DN] where LARGE0 >> D0. |
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tensor dense of shape [L0, D1, .. , DN] where L0 >> D0. |
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The values in indices are the indices in the first dimension of the slices |
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The values in indices are the indices in the first dimension of the slices |
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that have been extracted from the larger tensor. |
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that have been extracted from the larger tensor. |
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The dense tensor dense represented by an IndexedSlices slices has |
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The dense tensor dense represented by an IndexedSlices slices has |
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`dense[slices.indices[i], :, :, :, ...] = slices.values[i, :, :, :, ...]`. |
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`dense[slices.indices[i], :, :, :, ...] = slices.values[i, :, :, :, ...]`. |
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IndexedSlices can only be used in `Cell`'s contruct method. |
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IndexedSlices can only be used in `Cell`'s contruct method. |
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Args: |
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Args: |
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indices (Tensor): A 1-D integer Tensor of shape [D0]. |
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indices (Tensor): A 1-D integer Tensor of shape [D0]. |
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values (Tensor): A Tensor of any dtype of shape [D0, D1, ..., Dn]. |
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values (Tensor): A Tensor of any dtype of shape [D0, D1, ..., Dn]. |
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dense_shape: (tuple): A integer tuple containing the shape |
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of the corresponding dense tensor. |
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dense_shape (tuple): A integer tuple containing the shape |
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of the corresponding dense tensor. |
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Outputs: |
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Outputs: |
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IndexedSlices, composed of `indices`, `values`, `dense_shape`. |
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IndexedSlices, composed of `indices`, `values`, `dense_shape`. |
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@@ -250,17 +253,18 @@ class SparseTensor: |
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A sparse representation of a set of nonzero elememts from a tensor at given indices. |
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A sparse representation of a set of nonzero elememts from a tensor at given indices. |
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SparseTensor can only be used in `Cell`'s contruct method. |
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SparseTensor can only be used in `Cell`'s contruct method. |
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For a tensor dense, its SparseTensor(indices, values, dense_shape) has |
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For a tensor dense, its SparseTensor(indices, values, dense_shape) has |
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`dense[indices[i]] = values[i]` |
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`dense[indices[i]] = values[i]`. |
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Args: |
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Args: |
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indices (Tensor): A 2-D integer Tensor of shape `[N, ndims]`, |
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indices (Tensor): A 2-D integer Tensor of shape `[N, ndims]`, |
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where N and ndims are the number of values and number of dimensions in |
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where N and ndims are the number of values and number of dimensions in |
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the SparseTensor, respectively. |
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the SparseTensor, respectively. |
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values (Tensor): A 1-D tensor of any type and shape `[N]`, which |
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values (Tensor): A 1-D tensor of any type and shape `[N]`, which |
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supplies the values for each element in indices. |
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dense_shape: (tuple): A integer tuple of size `ndims`, |
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which specifies the dense_shape of the sparse tensor. |
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supplies the values for each element in indices. |
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dense_shape (tuple): A integer tuple of size `ndims`, |
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which specifies the dense_shape of the sparse tensor. |
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Outputs: |
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Outputs: |
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SparseTensor, composed of `indices`, `values`, `dense_shape`. |
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SparseTensor, composed of `indices`, `values`, `dense_shape`. |
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