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#include <array_ops.h>
Regroupe une liste de tenseurs de rang N
- R
en un seul tenseur de rang (R+1)
.
Résumé
Regroupe les N
tenseurs en values
dans un tenseur de rang supérieur à chaque tenseur en values
, en les regroupant le long de la dimension axis
. Étant donné une liste de tenseurs de forme (A, B, C)
;
si axis == 0
alors le tenseur output
aura la forme (N, A, B, C)
. si axis == 1
alors le tenseur output
aura la forme (A, N, B, C)
. Etc.
Par exemple:
# 'x' is [1, 4]
# 'y' is [2, 5]
# 'z' is [3, 6]
pack([x, y, z]) => [[1, 4], [2, 5], [3, 6]] # Pack along first dim.
pack([x, y, z], axis=1) => [[1, 2, 3], [4, 5, 6]]
C'est le contraire de unpack
.
Arguments :
- scope : un objet Scope
- valeurs : doivent être de même forme et de même type.
Attributs facultatifs (voir Attrs
) :
- axe : dimension le long de laquelle emballer. Les valeurs négatives s'enroulent, la plage valide est donc
[-(R+1), R+1)
.
Retours :
Fonctions statiques publiques |
---|
Axis (int64 x) | |
Attributs publics
Fonctions publiques
nœud
::tensorflow::Node * node() const
operator::tensorflow::Input() const
opérateur :: tensorflow :: Sortie
operator::tensorflow::Output() const
Fonctions statiques publiques
Axe
Attrs Axis(
int64 x
)
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Dernière mise à jour le 2025/07/26 (UTC).
[null,null,["Dernière mise à jour le 2025/07/26 (UTC)."],[],[],null,["# tensorflow::ops::Stack Class Reference\n\ntensorflow::ops::Stack\n======================\n\n`#include \u003carray_ops.h\u003e`\n\nPacks a list of `N` rank-`R` tensors into one rank-`(R+1)` tensor.\n\nSummary\n-------\n\nPacks the `N` tensors in `values` into a tensor with rank one higher than each tensor in `values`, by packing them along the `axis` dimension. Given a list of tensors of shape `(A, B, C)`;\n\nif `axis == 0` then the `output` tensor will have the shape `(N, A, B, C)`. if `axis == 1` then the `output` tensor will have the shape `(A, N, B, C)`. Etc.\n\nFor example:\n\n\n```text\n# 'x' is [1, 4]\n# 'y' is [2, 5]\n# 'z' is [3, 6]\npack([x, y, z]) =\u003e [[1, 4], [2, 5], [3, 6]] # Pack along first dim.\npack([x, y, z], axis=1) =\u003e [[1, 2, 3], [4, 5, 6]]\n```\n\n\u003cbr /\u003e\n\nThis is the opposite of `unpack`.\n\nArguments:\n\n- scope: A [Scope](/versions/r2.0/api_docs/cc/class/tensorflow/scope#classtensorflow_1_1_scope) object\n- values: Must be of same shape and type.\n\n\u003cbr /\u003e\n\nOptional attributes (see [Attrs](/versions/r2.0/api_docs/cc/struct/tensorflow/ops/stack/attrs#structtensorflow_1_1ops_1_1_stack_1_1_attrs)):\n\n- axis: Dimension along which to pack. Negative values wrap around, so the valid range is `[-(R+1), R+1)`.\n\n\u003cbr /\u003e\n\nReturns:\n\n- [Output](/versions/r2.0/api_docs/cc/class/tensorflow/output#classtensorflow_1_1_output): The packed tensor.\n\n\u003cbr /\u003e\n\n| ### Constructors and Destructors ||\n|---|---|\n| [Stack](#classtensorflow_1_1ops_1_1_stack_1aa3a6f6cc75aa0bc3e217610c4b630850)`(const ::`[tensorflow::Scope](/versions/r2.0/api_docs/cc/class/tensorflow/scope#classtensorflow_1_1_scope)` & scope, ::`[tensorflow::InputList](/versions/r2.0/api_docs/cc/class/tensorflow/input-list#classtensorflow_1_1_input_list)` values)` ||\n| [Stack](#classtensorflow_1_1ops_1_1_stack_1af619225abec63de439cb9ade43b936a8)`(const ::`[tensorflow::Scope](/versions/r2.0/api_docs/cc/class/tensorflow/scope#classtensorflow_1_1_scope)` & scope, ::`[tensorflow::InputList](/versions/r2.0/api_docs/cc/class/tensorflow/input-list#classtensorflow_1_1_input_list)` values, const `[Stack::Attrs](/versions/r2.0/api_docs/cc/struct/tensorflow/ops/stack/attrs#structtensorflow_1_1ops_1_1_stack_1_1_attrs)` & attrs)` ||\n\n| ### Public attributes ||\n|-----------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------|\n| [operation](#classtensorflow_1_1ops_1_1_stack_1aa46830d4c02fef768a0142707c6048d7) | [Operation](/versions/r2.0/api_docs/cc/class/tensorflow/operation#classtensorflow_1_1_operation) |\n| [output](#classtensorflow_1_1ops_1_1_stack_1af30b0181ca359975456c27dda4c0ce4e) | `::`[tensorflow::Output](/versions/r2.0/api_docs/cc/class/tensorflow/output#classtensorflow_1_1_output) |\n\n| ### Public functions ||\n|-----------------------------------------------------------------------------------------------------------------|------------------------|\n| [node](#classtensorflow_1_1ops_1_1_stack_1a934f8ed07dd585da717a4a55f7ffec62)`() const ` | `::tensorflow::Node *` |\n| [operator::tensorflow::Input](#classtensorflow_1_1ops_1_1_stack_1a17fdd11a1152984a35f55b52ff4753f8)`() const ` | ` ` ` ` |\n| [operator::tensorflow::Output](#classtensorflow_1_1ops_1_1_stack_1aa93a9c40ba77fc16a19e5b1320fea39c)`() const ` | ` ` ` ` |\n\n| ### Public static functions ||\n|-----------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------|\n| [Axis](#classtensorflow_1_1ops_1_1_stack_1a52044bc69e273453a899ab690fafc227)`(int64 x)` | [Attrs](/versions/r2.0/api_docs/cc/struct/tensorflow/ops/stack/attrs#structtensorflow_1_1ops_1_1_stack_1_1_attrs) |\n\n| ### Structs ||\n|-----------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------|\n| [tensorflow::ops::Stack::Attrs](/versions/r2.0/api_docs/cc/struct/tensorflow/ops/stack/attrs) | Optional attribute setters for [Stack](/versions/r2.0/api_docs/cc/class/tensorflow/ops/stack#classtensorflow_1_1ops_1_1_stack). |\n\nPublic attributes\n-----------------\n\n### operation\n\n```text\nOperation operation\n``` \n\n### output\n\n```text\n::tensorflow::Output output\n``` \n\nPublic functions\n----------------\n\n### Stack\n\n```gdscript\n Stack(\n const ::tensorflow::Scope & scope,\n ::tensorflow::InputList values\n)\n``` \n\n### Stack\n\n```gdscript\n Stack(\n const ::tensorflow::Scope & scope,\n ::tensorflow::InputList values,\n const Stack::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### Axis\n\n```text\nAttrs Axis(\n int64 x\n)\n```"]]