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flux tensoriel : : opérations : : MatMul
#include <math_ops.h>
Multipliez la matrice "a" par la matrice "b".
Résumé
Les entrées doivent être des matrices bidimensionnelles et la dimension intérieure de "a" (après avoir été transposée si transpose_a est vrai) doit correspondre à la dimension extérieure de "b" (après avoir été transposée si transposed_b est vrai).
Remarque : L'implémentation du noyau par défaut pour MatMul sur les GPU utilise cublas.
Arguments :
Attributs facultatifs (voir Attrs
) :
- transpose_a : Si vrai, "a" est transposé avant la multiplication.
- transpose_b : Si vrai, "b" est transposé avant la multiplication.
Retours :
-
Output
: Le tenseur du produit.
Attributs publics
Fonctions publiques
nœud
::tensorflow::Node * node() const
operator::tensorflow::Input() const
opérateur :: tensorflow :: Sortie
operator::tensorflow::Output() const
Fonctions statiques publiques
TransposerA
Attrs TransposeA(
bool x
)
TransposerB
Attrs TransposeB(
bool x
)
Sauf indication contraire, le contenu de cette page est régi par une licence Creative Commons Attribution 4.0, et les échantillons de code sont régis par une licence Apache 2.0. Pour en savoir plus, consultez les Règles du site Google Developers. Java est une marque déposée d'Oracle et/ou de ses sociétés affiliées.
Dernière mise à jour le 2025/07/27 (UTC).
[null,null,["Dernière mise à jour le 2025/07/27 (UTC)."],[],[],null,["# tensorflow::ops::MatMul Class Reference\n\ntensorflow::ops::MatMul\n=======================\n\n`#include \u003cmath_ops.h\u003e`\n\n[Multiply](/versions/r2.3/api_docs/cc/class/tensorflow/ops/multiply#classtensorflow_1_1ops_1_1_multiply) the matrix \"a\" by the matrix \"b\".\n\nSummary\n-------\n\nThe inputs must be two-dimensional matrices and the inner dimension of \"a\" (after being transposed if transpose_a is true) must match the outer dimension of \"b\" (after being transposed if transposed_b is true).\n\n*Note* : The default kernel implementation for [MatMul](/versions/r2.3/api_docs/cc/class/tensorflow/ops/mat-mul#classtensorflow_1_1ops_1_1_mat_mul) on GPUs uses cublas.\n\nArguments:\n\n- scope: A [Scope](/versions/r2.3/api_docs/cc/class/tensorflow/scope#classtensorflow_1_1_scope) object\n\n\u003cbr /\u003e\n\nOptional attributes (see [Attrs](/versions/r2.3/api_docs/cc/struct/tensorflow/ops/mat-mul/attrs#structtensorflow_1_1ops_1_1_mat_mul_1_1_attrs)):\n\n- transpose_a: If true, \"a\" is transposed before multiplication.\n- transpose_b: If true, \"b\" is transposed before multiplication.\n\n\u003cbr /\u003e\n\nReturns:\n\n- [Output](/versions/r2.3/api_docs/cc/class/tensorflow/output#classtensorflow_1_1_output): The product tensor.\n\n\u003cbr /\u003e\n\n| ### Constructors and Destructors ||\n|---|---|\n| [MatMul](#classtensorflow_1_1ops_1_1_mat_mul_1ab83040fb6ae9e56138c0f69b00760209)`(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)` a, ::`[tensorflow::Input](/versions/r2.3/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` b)` ||\n| [MatMul](#classtensorflow_1_1ops_1_1_mat_mul_1a34177e68c8f4fa1f1813814ce67d891c)`(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)` a, ::`[tensorflow::Input](/versions/r2.3/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` b, const `[MatMul::Attrs](/versions/r2.3/api_docs/cc/struct/tensorflow/ops/mat-mul/attrs#structtensorflow_1_1ops_1_1_mat_mul_1_1_attrs)` & attrs)` ||\n\n| ### Public attributes ||\n|-------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------|\n| [operation](#classtensorflow_1_1ops_1_1_mat_mul_1ab873d083b82c9aa9485a303d40b97eb4) | [Operation](/versions/r2.3/api_docs/cc/class/tensorflow/operation#classtensorflow_1_1_operation) |\n| [product](#classtensorflow_1_1ops_1_1_mat_mul_1ab034be60cd7ec86407eb741bdfc5f379) | `::`[tensorflow::Output](/versions/r2.3/api_docs/cc/class/tensorflow/output#classtensorflow_1_1_output) |\n\n| ### Public functions ||\n|-------------------------------------------------------------------------------------------------------------------|------------------------|\n| [node](#classtensorflow_1_1ops_1_1_mat_mul_1a0336cd912c0b25144c3d9b57a626debf)`() const ` | `::tensorflow::Node *` |\n| [operator::tensorflow::Input](#classtensorflow_1_1ops_1_1_mat_mul_1abd3e6b08fb374614d203378c1dfaec97)`() const ` | ` ` ` ` |\n| [operator::tensorflow::Output](#classtensorflow_1_1ops_1_1_mat_mul_1a9882a2914eeb6bb488bf990e3240f05a)`() const ` | ` ` ` ` |\n\n| ### Public static functions ||\n|------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------|\n| [TransposeA](#classtensorflow_1_1ops_1_1_mat_mul_1adde997ec4038167a5e5e31ad805e2651)`(bool x)` | [Attrs](/versions/r2.3/api_docs/cc/struct/tensorflow/ops/mat-mul/attrs#structtensorflow_1_1ops_1_1_mat_mul_1_1_attrs) |\n| [TransposeB](#classtensorflow_1_1ops_1_1_mat_mul_1a94996492e8e4ff12164accf93c28dabd)`(bool x)` | [Attrs](/versions/r2.3/api_docs/cc/struct/tensorflow/ops/mat-mul/attrs#structtensorflow_1_1ops_1_1_mat_mul_1_1_attrs) |\n\n| ### Structs ||\n|--------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------|\n| [tensorflow::ops::MatMul::Attrs](/versions/r2.3/api_docs/cc/struct/tensorflow/ops/mat-mul/attrs) | Optional attribute setters for [MatMul](/versions/r2.3/api_docs/cc/class/tensorflow/ops/mat-mul#classtensorflow_1_1ops_1_1_mat_mul). |\n\nPublic attributes\n-----------------\n\n### operation\n\n```text\nOperation operation\n``` \n\n### product\n\n```text\n::tensorflow::Output product\n``` \n\nPublic functions\n----------------\n\n### MatMul\n\n```gdscript\n MatMul(\n const ::tensorflow::Scope & scope,\n ::tensorflow::Input a,\n ::tensorflow::Input b\n)\n``` \n\n### MatMul\n\n```gdscript\n MatMul(\n const ::tensorflow::Scope & scope,\n ::tensorflow::Input a,\n ::tensorflow::Input b,\n const MatMul::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### TransposeA\n\n```text\nAttrs TransposeA(\n bool x\n)\n``` \n\n### TransposeB\n\n```text\nAttrs TransposeB(\n bool x\n)\n```"]]