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openvino/docs/ops/arithmetic/Add_1.md
2023-05-05 10:17:05 +02:00

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Add

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Versioned name: Add-1

Category: Arithmetic binary

Short description: Add performs element-wise addition operation with two given tensors applying broadcasting rule specified in the auto_broacast attribute.

Detailed description Before performing arithmetic operation, input tensors a and b are broadcasted if their shapes are different and auto_broadcast attribute is not none. Broadcasting is performed according to auto_broadcast value. After broadcasting Add performs addition operation for the input tensors a and b using the formula below:

.. math::

o_{i} = a_{i} + b_{i}

Attributes:

  • auto_broadcast

    • Description: specifies rules used for auto-broadcasting of input tensors.

    • Range of values:

      • none - no auto-broadcasting is allowed, all input shapes must match,
      • numpy - numpy broadcasting rules, description is available in :doc:Broadcast Rules For Elementwise Operations <openvino_docs_ops_broadcast_rules>,
      • pdpd - PaddlePaddle-style implicit broadcasting, description is available in :doc:Broadcast Rules For Elementwise Operations <openvino_docs_ops_broadcast_rules>.
    • Type: string

    • Default value: "numpy"

    • Required: no

Inputs

  • 1: A tensor of type T and arbitrary shape and rank. Required.
  • 2: A tensor of type T and arbitrary shape and rank. Required.

Outputs

  • 1: The result of element-wise addition operation. A tensor of type T with shape equal to broadcasted shape of the two inputs.

Types

  • T: any numeric type.

Examples

Example 1

.. code-block:: cpp

<layer ... type="Add"> 256 56 256 56 256 56

Example 2: broadcast

.. code-block:: console

<layer ... type="Add"> 8 1 6 1 7 1 5 8 7 6 5

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