Sigmoid

Sigmoid  // Elementwise sigmoid operation

Description

Produces a single output tensor of the same element type and shape as arg, where the value at each coordinate of output is the sigmoid of arg at the same coordinate.

Inputs

Name

Element Type

Shape

arg

Any

Any

Outputs

Name

Element Type

Shape

output

Same as arg

Same as arg

Mathematical Definition

\[\mathtt{output}_{i_0, \ldots, i_{n-1}} = \frac{1}{1+\exp(-\mathtt{arg}_{i_0, \ldots, i_{n-1}})}\]

C++ Interface

class Sigmoid : public ngraph::op::util::UnaryElementwiseArithmetic

Public Functions

const std::string &description() const

Get the string name for the type of the node, such as Add or Multiply. The class name, must not contain spaces as it is used for codegen.

Return

A const reference to the node’s type name