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tensoreflusso:: ops:: SparseFillVuotoRigheGrad
#include <sparse_ops.h> Il gradiente di SparseFillEmptyRows .
Riepilogo
Prende i vettori reverse_index_map, sagomato [N] e grad_values, sagomato [N_full] , dove N_full >= N e copia i dati in d_values o d_default_value . Qui d_values ha la forma [N] e d_default_value è uno scalare.
d_values[j] = grad_values[reverse_index_map[j]] d_default_value = sum_{k : 0 .. N_full - 1} ( grad_values[k] * 1{k non in reverse_index_map})
Argomenti:
- scope: un oggetto Scope
- reverse_index_map: 1-D. La mappa dell'indice inverso da SparseFillEmptyRows .
- valori_grad: 1-D. I gradienti dal backprop.
Resi:
-
Output d_values: 1-D. Il sostegno in valori. -
Output d_default_value: 0-D. Il backprop in default_value.
Attributi pubblici
Funzioni pubbliche
Salvo quando diversamente specificato, i contenuti di questa pagina sono concessi in base alla licenza Creative Commons Attribution 4.0, mentre gli esempi di codice sono concessi in base alla licenza Apache 2.0. Per ulteriori dettagli, consulta le norme del sito di Google Developers. Java è un marchio registrato di Oracle e/o delle sue consociate.
Ultimo aggiornamento 2025-07-25 UTC.
[null,null,["Ultimo aggiornamento 2025-07-25 UTC."],[],[],null,["# tensorflow::ops::SparseFillEmptyRowsGrad Class Reference\n\ntensorflow::ops::SparseFillEmptyRowsGrad\n========================================\n\n`#include \u003csparse_ops.h\u003e`\n\nThe gradient of [SparseFillEmptyRows](/versions/r1.15/api_docs/cc/class/tensorflow/ops/sparse-fill-empty-rows#classtensorflow_1_1ops_1_1_sparse_fill_empty_rows).\n\nSummary\n-------\n\nTakes vectors reverse_index_map, shaped `[N]`, and grad_values, shaped `[N_full]`, where `N_full \u003e= N` and copies data into either `d_values` or `d_default_value`. Here `d_values` is shaped `[N]` and `d_default_value` is a scalar.\n\nd_values\\[j\\] = grad_values\\[reverse_index_map\\[j\\]\\] d_default_value = sum_{k : 0 .. N_full - 1} ( grad_values\\[k\\] \\* 1{k not in reverse_index_map})\n\nArguments:\n\n- scope: A [Scope](/versions/r1.15/api_docs/cc/class/tensorflow/scope#classtensorflow_1_1_scope) object\n- reverse_index_map: 1-D. The reverse index map from [SparseFillEmptyRows](/versions/r1.15/api_docs/cc/class/tensorflow/ops/sparse-fill-empty-rows#classtensorflow_1_1ops_1_1_sparse_fill_empty_rows).\n- grad_values: 1-D. The gradients from backprop.\n\n\u003cbr /\u003e\n\nReturns:\n\n- [Output](/versions/r1.15/api_docs/cc/class/tensorflow/output#classtensorflow_1_1_output) d_values: 1-D. The backprop into values.\n- [Output](/versions/r1.15/api_docs/cc/class/tensorflow/output#classtensorflow_1_1_output) d_default_value: 0-D. The backprop into default_value.\n\n\u003cbr /\u003e\n\n| ### Constructors and Destructors ||\n|---|---|\n| [SparseFillEmptyRowsGrad](#classtensorflow_1_1ops_1_1_sparse_fill_empty_rows_grad_1ada5dd8406dc685e9cef6fb62d22ef08a)`(const ::`[tensorflow::Scope](/versions/r1.15/api_docs/cc/class/tensorflow/scope#classtensorflow_1_1_scope)` & scope, ::`[tensorflow::Input](/versions/r1.15/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` reverse_index_map, ::`[tensorflow::Input](/versions/r1.15/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` grad_values)` ||\n\n| ### Public attributes ||\n|---------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------|\n| [d_default_value](#classtensorflow_1_1ops_1_1_sparse_fill_empty_rows_grad_1a390e699bba2fa2de13aa830fa180150b) | `::`[tensorflow::Output](/versions/r1.15/api_docs/cc/class/tensorflow/output#classtensorflow_1_1_output) |\n| [d_values](#classtensorflow_1_1ops_1_1_sparse_fill_empty_rows_grad_1a13ae288ea1b435bc21beaf155bb49a66) | `::`[tensorflow::Output](/versions/r1.15/api_docs/cc/class/tensorflow/output#classtensorflow_1_1_output) |\n| [operation](#classtensorflow_1_1ops_1_1_sparse_fill_empty_rows_grad_1a5d59df27d9ed5efa484e261d96d2fb65) | [Operation](/versions/r1.15/api_docs/cc/class/tensorflow/operation#classtensorflow_1_1_operation) |\n\nPublic attributes\n-----------------\n\n### d_default_value\n\n```scdoc\n::tensorflow::Output d_default_value\n``` \n\n### d_values\n\n```scdoc\n::tensorflow::Output d_values\n``` \n\n### operation\n\n```text\nOperation operation\n``` \n\nPublic functions\n----------------\n\n### SparseFillEmptyRowsGrad\n\n```gdscript\n SparseFillEmptyRowsGrad(\n const ::tensorflow::Scope & scope,\n ::tensorflow::Input reverse_index_map,\n ::tensorflow::Input grad_values\n)\n```"]]
