tensorflow:: אופס:: ResourceApplyProximalGradientDescent
#include <training_ops.h>
עדכן את '*var' בתור אלגוריתם FOBOS עם קצב למידה קבוע.
תַקצִיר
prox_v = var - alpha * delta var = sign(prox_v)/(1+alpha*l2) * max{|prox_v|-alpha*l1,0}
טיעונים:
- scope: אובייקט Scope
- var: צריך להיות מ-Variable().
- אלפא: גורם קנה מידה. חייב להיות סקלר.
- l1: הסדרת L1. חייב להיות סקלר.
- l2: הסדרת L2. חייב להיות סקלר.
- דלתא: השינוי.
מאפיינים אופציונליים (ראה Attrs
):
- use_locking: אם נכון, החיסור יהיה מוגן על ידי מנעול; אחרת ההתנהגות אינה מוגדרת, אך עלולה להפגין פחות מחלוקת.
החזרות:
-
Operation
שנוצר
בנאים והורסים | |
---|---|
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) |
תכונות ציבוריות | |
---|---|
operation |
תפקידים ציבוריים | |
---|---|
operator::tensorflow::Operation () const |
פונקציות סטטיות ציבוריות | |
---|---|
UseLocking (bool x) |
מבנים | |
---|---|
tensorflow:: ops:: ResourceApplyProximalGradientDescent:: Attrs | קובעי תכונות אופציונליים עבור ResourceApplyProximalGradientDescent . |
תכונות ציבוריות
מִבצָע
Operation operation
תפקידים ציבוריים
ResourceApplyProximalGradientDescent
ResourceApplyProximalGradientDescent( const ::tensorflow::Scope & scope, ::tensorflow::Input var, ::tensorflow::Input alpha, ::tensorflow::Input l1, ::tensorflow::Input l2, ::tensorflow::Input delta )
ResourceApplyProximalGradientDescent
ResourceApplyProximalGradientDescent( const ::tensorflow::Scope & scope, ::tensorflow::Input var, ::tensorflow::Input alpha, ::tensorflow::Input l1, ::tensorflow::Input l2, ::tensorflow::Input delta, const ResourceApplyProximalGradientDescent::Attrs & attrs )
אופרטור::tensorflow::פעולה
operator::tensorflow::Operation() const
פונקציות סטטיות ציבוריות
השתמש בנעילה
Attrs UseLocking( bool x )
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עדכון אחרון: 2025-07-27 (שעון UTC).
[null,null,["עדכון אחרון: 2025-07-27 (שעון 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/r2.2/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/r2.2/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/r2.2/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/r2.2/api_docs/cc/class/tensorflow/scope#classtensorflow_1_1_scope)` & scope, ::`[tensorflow::Input](/versions/r2.2/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` var, ::`[tensorflow::Input](/versions/r2.2/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` alpha, ::`[tensorflow::Input](/versions/r2.2/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` l1, ::`[tensorflow::Input](/versions/r2.2/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` l2, ::`[tensorflow::Input](/versions/r2.2/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/r2.2/api_docs/cc/class/tensorflow/scope#classtensorflow_1_1_scope)` & scope, ::`[tensorflow::Input](/versions/r2.2/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` var, ::`[tensorflow::Input](/versions/r2.2/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` alpha, ::`[tensorflow::Input](/versions/r2.2/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` l1, ::`[tensorflow::Input](/versions/r2.2/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` l2, ::`[tensorflow::Input](/versions/r2.2/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` delta, const `[ResourceApplyProximalGradientDescent::Attrs](/versions/r2.2/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/r2.2/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/r2.2/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/r2.2/api_docs/cc/struct/tensorflow/ops/resource-apply-proximal-gradient-descent/attrs) | Optional attribute setters for [ResourceApplyProximalGradientDescent](/versions/r2.2/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```"]]