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openvino/docs/ops/activation/Elu_1.md
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Elu

Versioned name: Elu-1

Category: Activation function

Short description: Exponential linear unit element-wise activation function.

Detailed Description

For each element from the input tensor calculates corresponding element in the output tensor with the following formula: \f[ elu(x) = \left{\begin{array}{ll} alpha(e^{x} - 1) \quad \mbox{if } x < 0 \ x \quad \mbox{if } x \geq 0 \end{array}\right. \f]

Attributes

  • alpha

    • Description: scale for the negative factor
    • Range of values: arbitrary floating point number
    • Type: float
    • Default value: none
    • Required: yes

Inputs:

  • 1: Input tensor x of any floating point type. Required.

Outputs:

  • 1: Result of Elu function applied to the input tensor x. Floating point tensor with shape and type matching the input tensor. Required.