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tensorflow :: ops :: ResourceApplyProximalGradientDescent
#include <training_ops.h>
Atualize '* var' como algoritmo FOBOS com taxa de aprendizagem fixa.
Resumo
prox_v = var - alfa * delta var = sinal (prox_v) / (1 + alfa * l2) * max {| prox_v | -alpha * l1,0}
Argumentos:
- escopo: um objeto Scope
- var: deve ser de uma variável ().
- alfa: fator de escala. Deve ser um escalar.
- l1: regularização de L1. Deve ser um escalar.
- l2: regularização de L2. Deve ser um escalar.
- delta: a mudança.
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:
Construtores e Destruidores |
---|
ResourceApplyProximalGradientDescent (const :: tensorflow::Scope & scope, :: tensorflow::Input var, :: tensorflow::Input alpha, :: tensorflow::Input l1, :: tensorflow::Input l2, :: tensorflow::Input delta)
|
ResourceApplyProximalGradientDescent (const :: tensorflow::Scope & scope, :: tensorflow::Input var, :: tensorflow::Input alpha, :: tensorflow::Input l1, :: tensorflow::Input l2, :: tensorflow::Input delta, const ResourceApplyProximalGradientDescent::Attrs & attrs) |
Atributos públicos
Funções públicas
operador :: tensorflow :: Operação
operator::tensorflow::Operation() const
Funções estáticas públicas
UseLocking
Attrs UseLocking(
bool x
)
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Última atualização 2020-06-29 UTC.
[null,null,["Última atualização 2020-06-29 UTC."],[],[],null,["# tensorflow::ops::ResourceApplyProximalGradientDescent Class Reference\n\ntensorflow::ops::ResourceApplyProximalGradientDescent\n=====================================================\n\n`#include \u003ctraining_ops.h\u003e`\n\nUpdate '\\*var' as FOBOS algorithm with fixed learning rate.\n\nSummary\n-------\n\nprox_v = var - alpha \\* delta var = sign(prox_v)/(1+alpha\\*l2) \\* max{\\|prox_v\\|-alpha\\*l1,0}\n\nArguments:\n\n- scope: A [Scope](/versions/r2.3/api_docs/cc/class/tensorflow/scope#classtensorflow_1_1_scope) object\n- var: Should be from a Variable().\n- alpha: Scaling factor. Must be a scalar.\n- l1: L1 regularization. Must be a scalar.\n- l2: L2 regularization. Must be a scalar.\n- delta: The change.\n\n\u003cbr /\u003e\n\nOptional attributes (see [Attrs](/versions/r2.3/api_docs/cc/struct/tensorflow/ops/resource-apply-proximal-gradient-descent/attrs#structtensorflow_1_1ops_1_1_resource_apply_proximal_gradient_descent_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- the created [Operation](/versions/r2.3/api_docs/cc/class/tensorflow/operation#classtensorflow_1_1_operation)\n\n\u003cbr /\u003e\n\n| ### Constructors and Destructors ||\n|---|---|\n| [ResourceApplyProximalGradientDescent](#classtensorflow_1_1ops_1_1_resource_apply_proximal_gradient_descent_1abbddad3b19f5766ee3e968f1a6b9567f)`(const ::`[tensorflow::Scope](/versions/r2.3/api_docs/cc/class/tensorflow/scope#classtensorflow_1_1_scope)` & scope, ::`[tensorflow::Input](/versions/r2.3/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` var, ::`[tensorflow::Input](/versions/r2.3/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` alpha, ::`[tensorflow::Input](/versions/r2.3/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` l1, ::`[tensorflow::Input](/versions/r2.3/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` l2, ::`[tensorflow::Input](/versions/r2.3/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` delta)` ||\n| [ResourceApplyProximalGradientDescent](#classtensorflow_1_1ops_1_1_resource_apply_proximal_gradient_descent_1a1b5470e569118e2bf85f8a80d6040ee7)`(const ::`[tensorflow::Scope](/versions/r2.3/api_docs/cc/class/tensorflow/scope#classtensorflow_1_1_scope)` & scope, ::`[tensorflow::Input](/versions/r2.3/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` var, ::`[tensorflow::Input](/versions/r2.3/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` alpha, ::`[tensorflow::Input](/versions/r2.3/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` l1, ::`[tensorflow::Input](/versions/r2.3/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` l2, ::`[tensorflow::Input](/versions/r2.3/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` delta, const `[ResourceApplyProximalGradientDescent::Attrs](/versions/r2.3/api_docs/cc/struct/tensorflow/ops/resource-apply-proximal-gradient-descent/attrs#structtensorflow_1_1ops_1_1_resource_apply_proximal_gradient_descent_1_1_attrs)` & attrs)` ||\n\n| ### Public attributes ||\n|----------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------|\n| [operation](#classtensorflow_1_1ops_1_1_resource_apply_proximal_gradient_descent_1af16b611d7b02d65580a0234c5b815121) | [Operation](/versions/r2.3/api_docs/cc/class/tensorflow/operation#classtensorflow_1_1_operation) |\n\n| ### Public functions ||\n|-------------------------------------------------------------------------------------------------------------------------------------------------------|---------|\n| [operator::tensorflow::Operation](#classtensorflow_1_1ops_1_1_resource_apply_proximal_gradient_descent_1aaa85fb3ffe460dccaefcf263dc6f95f3)`() const ` | ` ` ` ` |\n\n| ### Public static functions ||\n|---------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [UseLocking](#classtensorflow_1_1ops_1_1_resource_apply_proximal_gradient_descent_1a6f9bcba3123d814dc2aeed6987d46e8b)`(bool x)` | [Attrs](/versions/r2.3/api_docs/cc/struct/tensorflow/ops/resource-apply-proximal-gradient-descent/attrs#structtensorflow_1_1ops_1_1_resource_apply_proximal_gradient_descent_1_1_attrs) |\n\n| ### Structs ||\n|-----------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [tensorflow::ops::ResourceApplyProximalGradientDescent::Attrs](/versions/r2.3/api_docs/cc/struct/tensorflow/ops/resource-apply-proximal-gradient-descent/attrs) | Optional attribute setters for [ResourceApplyProximalGradientDescent](/versions/r2.3/api_docs/cc/class/tensorflow/ops/resource-apply-proximal-gradient-descent#classtensorflow_1_1ops_1_1_resource_apply_proximal_gradient_descent). |\n\nPublic attributes\n-----------------\n\n### operation\n\n```text\nOperation operation\n``` \n\nPublic functions\n----------------\n\n### ResourceApplyProximalGradientDescent\n\n```gdscript\n ResourceApplyProximalGradientDescent(\n const ::tensorflow::Scope & scope,\n ::tensorflow::Input var,\n ::tensorflow::Input alpha,\n ::tensorflow::Input l1,\n ::tensorflow::Input l2,\n ::tensorflow::Input delta\n)\n``` \n\n### ResourceApplyProximalGradientDescent\n\n```gdscript\n ResourceApplyProximalGradientDescent(\n const ::tensorflow::Scope & scope,\n ::tensorflow::Input var,\n ::tensorflow::Input alpha,\n ::tensorflow::Input l1,\n ::tensorflow::Input l2,\n ::tensorflow::Input delta,\n const ResourceApplyProximalGradientDescent::Attrs & attrs\n)\n``` \n\n### operator::tensorflow::Operation\n\n```gdscript\n operator::tensorflow::Operation() const \n``` \n\nPublic static functions\n-----------------------\n\n### UseLocking\n\n```text\nAttrs UseLocking(\n bool x\n)\n```"]]