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tensorflow :: operaciones :: SparseReduceSumSparse
#include <sparse_ops.h>
Calcula la suma de elementos en las dimensiones de un SparseTensor.
Resumen
Esta operación toma un SparseTensor y es la contraparte dispersa de tf.reduce_sum()
. A diferencia de SparseReduceSum , esta Op devuelve un SparseTensor.
Reduce sp_input
largo de las dimensiones dadas en reduction_axes
. A menos que keep_dims
sea verdadero, el rango del tensor se reduce en 1 por cada entrada en reduction_axes
. Si keep_dims
es verdadero, las dimensiones reducidas se retienen con la longitud 1.
Si reduction_axes
no tiene entradas, todas las dimensiones se reducen y se devuelve un tensor con un solo elemento. Además, los ejes pueden ser negativos, que se interpretan de acuerdo con las reglas de indexación en Python.
Argumentos:
- alcance: un objeto de alcance
- input_indices: 2-D. Matriz
N x R
con los índices de valores no vacíos en un SparseTensor, posiblemente no en orden canónico. - input_values: 1-D.
N
valores no vacíos correspondientes a input_indices
. - input_shape: 1-D. Forma de la entrada SparseTensor.
- ejes_de_reducción: 1-D. Longitud: vector
K
que contiene los ejes de reducción.
Atributos opcionales (consulte Attrs
):
- keep_dims: si es verdadero, conserva las dimensiones reducidas con longitud 1.
Devoluciones:
Funciones estáticas públicas |
---|
KeepDims (bool x) | |
Atributos públicos
Funciones publicas
Funciones estáticas públicas
KeepDims
Attrs KeepDims(
bool x
)
Salvo que se indique lo contrario, el contenido de esta página está sujeto a la licencia Atribución 4.0 de Creative Commons, y los ejemplos de código están sujetos a la licencia Apache 2.0. Para obtener más información, consulta las políticas del sitio de Google Developers. Java es una marca registrada de Oracle o sus afiliados.
Última actualización: 2020-04-20 (UTC)
[null,null,["Última actualización: 2020-04-20 (UTC)"],[],[],null,["# tensorflow::ops::SparseReduceSumSparse Class Reference\n\ntensorflow::ops::SparseReduceSumSparse\n======================================\n\n`#include \u003csparse_ops.h\u003e`\n\nComputes the sum of elements across dimensions of a SparseTensor.\n\nSummary\n-------\n\nThis Op takes a SparseTensor and is the sparse counterpart to `tf.reduce_sum()`. In contrast to [SparseReduceSum](/versions/r2.0/api_docs/cc/class/tensorflow/ops/sparse-reduce-sum#classtensorflow_1_1ops_1_1_sparse_reduce_sum), this Op returns a SparseTensor.\n\nReduces `sp_input` along the dimensions given in `reduction_axes`. Unless `keep_dims` is true, the rank of the tensor is reduced by 1 for each entry in `reduction_axes`. If `keep_dims` is true, the reduced dimensions are retained with length 1.\n\nIf `reduction_axes` has no entries, all dimensions are reduced, and a tensor with a single element is returned. Additionally, the axes can be negative, which are interpreted according to the indexing rules in Python.\n\nArguments:\n\n- scope: A [Scope](/versions/r2.0/api_docs/cc/class/tensorflow/scope#classtensorflow_1_1_scope) object\n- input_indices: 2-D. `N x R` matrix with the indices of non-empty values in a SparseTensor, possibly not in canonical ordering.\n- input_values: 1-D. `N` non-empty values corresponding to `input_indices`.\n- input_shape: 1-D. Shape of the input SparseTensor.\n- reduction_axes: 1-D. Length-`K` vector containing the reduction axes.\n\n\u003cbr /\u003e\n\nOptional attributes (see [Attrs](/versions/r2.0/api_docs/cc/struct/tensorflow/ops/sparse-reduce-sum-sparse/attrs#structtensorflow_1_1ops_1_1_sparse_reduce_sum_sparse_1_1_attrs)):\n\n- keep_dims: If true, retain reduced dimensions with length 1.\n\n\u003cbr /\u003e\n\nReturns:\n\n- [Output](/versions/r2.0/api_docs/cc/class/tensorflow/output#classtensorflow_1_1_output) output_indices\n- [Output](/versions/r2.0/api_docs/cc/class/tensorflow/output#classtensorflow_1_1_output) output_values\n- [Output](/versions/r2.0/api_docs/cc/class/tensorflow/output#classtensorflow_1_1_output) output_shape\n\n\u003cbr /\u003e\n\n| ### Constructors and Destructors ||\n|---|---|\n| [SparseReduceSumSparse](#classtensorflow_1_1ops_1_1_sparse_reduce_sum_sparse_1a6f708aa542de1f8a78354e33cd93ba1f)`(const ::`[tensorflow::Scope](/versions/r2.0/api_docs/cc/class/tensorflow/scope#classtensorflow_1_1_scope)` & scope, ::`[tensorflow::Input](/versions/r2.0/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` input_indices, ::`[tensorflow::Input](/versions/r2.0/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` input_values, ::`[tensorflow::Input](/versions/r2.0/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` input_shape, ::`[tensorflow::Input](/versions/r2.0/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` reduction_axes)` ||\n| [SparseReduceSumSparse](#classtensorflow_1_1ops_1_1_sparse_reduce_sum_sparse_1a3993e307a94ec2d2689f821a60717e99)`(const ::`[tensorflow::Scope](/versions/r2.0/api_docs/cc/class/tensorflow/scope#classtensorflow_1_1_scope)` & scope, ::`[tensorflow::Input](/versions/r2.0/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` input_indices, ::`[tensorflow::Input](/versions/r2.0/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` input_values, ::`[tensorflow::Input](/versions/r2.0/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` input_shape, ::`[tensorflow::Input](/versions/r2.0/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` reduction_axes, const `[SparseReduceSumSparse::Attrs](/versions/r2.0/api_docs/cc/struct/tensorflow/ops/sparse-reduce-sum-sparse/attrs#structtensorflow_1_1ops_1_1_sparse_reduce_sum_sparse_1_1_attrs)` & attrs)` ||\n\n| ### Public attributes ||\n|-----------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------|\n| [operation](#classtensorflow_1_1ops_1_1_sparse_reduce_sum_sparse_1a163cffc8414946a47057a91af8be0e12) | [Operation](/versions/r2.0/api_docs/cc/class/tensorflow/operation#classtensorflow_1_1_operation) |\n| [output_indices](#classtensorflow_1_1ops_1_1_sparse_reduce_sum_sparse_1a2c546e86ac344ff2cc261c06aac187f4) | `::`[tensorflow::Output](/versions/r2.0/api_docs/cc/class/tensorflow/output#classtensorflow_1_1_output) |\n| [output_shape](#classtensorflow_1_1ops_1_1_sparse_reduce_sum_sparse_1ad3c4282b03471d1e02bba7e17a46fca6) | `::`[tensorflow::Output](/versions/r2.0/api_docs/cc/class/tensorflow/output#classtensorflow_1_1_output) |\n| [output_values](#classtensorflow_1_1ops_1_1_sparse_reduce_sum_sparse_1a19b2438eeddfcd3e79017ecb5de54318) | `::`[tensorflow::Output](/versions/r2.0/api_docs/cc/class/tensorflow/output#classtensorflow_1_1_output) |\n\n| ### Public static functions ||\n|---------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [KeepDims](#classtensorflow_1_1ops_1_1_sparse_reduce_sum_sparse_1a8dbe087349a7dd3db345a7abd6752c3d)`(bool x)` | [Attrs](/versions/r2.0/api_docs/cc/struct/tensorflow/ops/sparse-reduce-sum-sparse/attrs#structtensorflow_1_1ops_1_1_sparse_reduce_sum_sparse_1_1_attrs) |\n\n| ### Structs ||\n|----------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [tensorflow::ops::SparseReduceSumSparse::Attrs](/versions/r2.0/api_docs/cc/struct/tensorflow/ops/sparse-reduce-sum-sparse/attrs) | Optional attribute setters for [SparseReduceSumSparse](/versions/r2.0/api_docs/cc/class/tensorflow/ops/sparse-reduce-sum-sparse#classtensorflow_1_1ops_1_1_sparse_reduce_sum_sparse). |\n\nPublic attributes\n-----------------\n\n### operation\n\n```text\nOperation operation\n``` \n\n### output_indices\n\n```scdoc\n::tensorflow::Output output_indices\n``` \n\n### output_shape\n\n```scdoc\n::tensorflow::Output output_shape\n``` \n\n### output_values\n\n```scdoc\n::tensorflow::Output output_values\n``` \n\nPublic functions\n----------------\n\n### SparseReduceSumSparse\n\n```gdscript\n SparseReduceSumSparse(\n const ::tensorflow::Scope & scope,\n ::tensorflow::Input input_indices,\n ::tensorflow::Input input_values,\n ::tensorflow::Input input_shape,\n ::tensorflow::Input reduction_axes\n)\n``` \n\n### SparseReduceSumSparse\n\n```gdscript\n SparseReduceSumSparse(\n const ::tensorflow::Scope & scope,\n ::tensorflow::Input input_indices,\n ::tensorflow::Input input_values,\n ::tensorflow::Input input_shape,\n ::tensorflow::Input reduction_axes,\n const SparseReduceSumSparse::Attrs & attrs\n)\n``` \n\nPublic static functions\n-----------------------\n\n### KeepDims\n\n```text\nAttrs KeepDims(\n bool x\n)\n```"]]