# SoftMax¶

Versioned name: SoftMax-1

Category: Activation

Short description: Reference

OpenVINO description: This OP is as same as OpenVINO OP

Detailed description: Reference

Attributes:

• axis

• Description: axis represents the axis of which the SoftMax is calculated. axis equal 1 is a default value.

• Range of values: positive integer value

• Type: int

• Default value: 1

• Required: no

Inputs:

• 1: Input tensor with enough number of dimension to be compatible with axis attribute. Required.

Outputs

• 1: The resulting tensor of the same shape and type as input tensor.

Detailed description

$y_{c} = \frac{e^{Z_{c}}}{\sum_{d=1}^{C}e^{Z_{d}}}$

where $$C$$ is a size of tensor along axis dimension.