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tensorflow :: ops :: AssignSub
#include <state_ops.h>
Atualize 'ref' subtraindo 'valor' dele.
Resumo
Esta operação produz "ref" após a atualização ser feita. Isso torna mais fácil encadear as operações que precisam usar o valor de redefinição.
Argumentos:
- escopo: um objeto Scope
- ref: deve ser de um nó
Variable
. - valor: o valor a ser subtraído da variável.
Atributos opcionais (consulte Attrs
):
- use_locking: Se True, a subtração será protegida por um cadeado; caso contrário, o comportamento é indefinido, mas pode exibir menos contenção.
Retorna:
-
Output
: = O mesmo que "ref". Retornado como uma conveniência para operações que desejam usar o novo valor após a atualização da variável.
Atributos públicos
Funções públicas
nó
::tensorflow::Node * node() const
operator::tensorflow::Input() const
operador :: tensorflow :: Saída
operator::tensorflow::Output() const
Funções estáticas públicas
UseLocking
Attrs UseLocking(
bool x
)
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Última atualização 2020-04-20 UTC.
[null,null,["Última atualização 2020-04-20 UTC."],[],[],null,["# tensorflow::ops::AssignSub Class Reference\n\ntensorflow::ops::AssignSub\n==========================\n\n`#include \u003cstate_ops.h\u003e`\n\nUpdate 'ref' by subtracting 'value' from it.\n\nSummary\n-------\n\nThis operation outputs \"ref\" after the update is done. This makes it easier to chain operations that need to use the reset value.\n\nArguments:\n\n- scope: A [Scope](/versions/r1.15/api_docs/cc/class/tensorflow/scope#classtensorflow_1_1_scope) object\n- ref: Should be from a [Variable](/versions/r1.15/api_docs/cc/class/tensorflow/ops/variable#classtensorflow_1_1ops_1_1_variable) node.\n- value: The value to be subtracted to the variable.\n\n\u003cbr /\u003e\n\nOptional attributes (see [Attrs](/versions/r1.15/api_docs/cc/struct/tensorflow/ops/assign-sub/attrs#structtensorflow_1_1ops_1_1_assign_sub_1_1_attrs)):\n\n- use_locking: If True, the subtraction will be protected by a lock; otherwise the behavior is undefined, but may exhibit less contention.\n\n\u003cbr /\u003e\n\nReturns:\n\n- [Output](/versions/r1.15/api_docs/cc/class/tensorflow/output#classtensorflow_1_1_output): = Same as \"ref\". Returned as a convenience for operations that want to use the new value after the variable has been updated.\n\n\u003cbr /\u003e\n\n| ### Constructors and Destructors ||\n|---|---|\n| [AssignSub](#classtensorflow_1_1ops_1_1_assign_sub_1a30794516fd9ad127fe4fbece311a1b71)`(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)` ref, ::`[tensorflow::Input](/versions/r1.15/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` value)` ||\n| [AssignSub](#classtensorflow_1_1ops_1_1_assign_sub_1a307c78fa1222456b4d159fec27e5c4f8)`(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)` ref, ::`[tensorflow::Input](/versions/r1.15/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` value, const `[AssignSub::Attrs](/versions/r1.15/api_docs/cc/struct/tensorflow/ops/assign-sub/attrs#structtensorflow_1_1ops_1_1_assign_sub_1_1_attrs)` & attrs)` ||\n\n| ### Public attributes ||\n|-----------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------|\n| [operation](#classtensorflow_1_1ops_1_1_assign_sub_1adf23f257a889a5b285aebbcfb471930b) | [Operation](/versions/r1.15/api_docs/cc/class/tensorflow/operation#classtensorflow_1_1_operation) |\n| [output_ref](#classtensorflow_1_1ops_1_1_assign_sub_1ae757b871ebeda8e412cbbbe061f4cddb) | `::`[tensorflow::Output](/versions/r1.15/api_docs/cc/class/tensorflow/output#classtensorflow_1_1_output) |\n\n| ### Public functions ||\n|----------------------------------------------------------------------------------------------------------------------|------------------------|\n| [node](#classtensorflow_1_1ops_1_1_assign_sub_1af0b1867d0c22ccab31ccdac7daf7cbf2)`() const ` | `::tensorflow::Node *` |\n| [operator::tensorflow::Input](#classtensorflow_1_1ops_1_1_assign_sub_1adb411254bf83000c535e6b8f88119805)`() const ` | ` ` ` ` |\n| [operator::tensorflow::Output](#classtensorflow_1_1ops_1_1_assign_sub_1a83e4daa6f284470b4f08bb7beea99533)`() const ` | ` ` ` ` |\n\n| ### Public static functions ||\n|---------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------|\n| [UseLocking](#classtensorflow_1_1ops_1_1_assign_sub_1a3ec527b7a8c443ddc8ace66e8df0ebae)`(bool x)` | [Attrs](/versions/r1.15/api_docs/cc/struct/tensorflow/ops/assign-sub/attrs#structtensorflow_1_1ops_1_1_assign_sub_1_1_attrs) |\n\n| ### Structs ||\n|---------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------|\n| [tensorflow::ops::AssignSub::Attrs](/versions/r1.15/api_docs/cc/struct/tensorflow/ops/assign-sub/attrs) | Optional attribute setters for [AssignSub](/versions/r1.15/api_docs/cc/class/tensorflow/ops/assign-sub#classtensorflow_1_1ops_1_1_assign_sub). |\n\nPublic attributes\n-----------------\n\n### operation\n\n```text\nOperation operation\n``` \n\n### output_ref\n\n```scdoc\n::tensorflow::Output output_ref\n``` \n\nPublic functions\n----------------\n\n### AssignSub\n\n```gdscript\n AssignSub(\n const ::tensorflow::Scope & scope,\n ::tensorflow::Input ref,\n ::tensorflow::Input value\n)\n``` \n\n### AssignSub\n\n```gdscript\n AssignSub(\n const ::tensorflow::Scope & scope,\n ::tensorflow::Input ref,\n ::tensorflow::Input value,\n const AssignSub::Attrs & attrs\n)\n``` \n\n### node\n\n```gdscript\n::tensorflow::Node * node() const \n``` \n\n### operator::tensorflow::Input\n\n```gdscript\n operator::tensorflow::Input() const \n``` \n\n### operator::tensorflow::Output\n\n```gdscript\n operator::tensorflow::Output() const \n``` \n\nPublic static functions\n-----------------------\n\n### UseLocking\n\n```text\nAttrs UseLocking(\n bool x\n)\n```"]]