Tanh

Tanh  // Elementwise hyperbolic tangent operation.

Description

Produce a tensor with the same shape and element typye as arg, where the value at each coordinate of output is the hyperbolic tangent of the value 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

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

Backprop

\[\overline{\mathtt{arg}} \leftarrow \Delta\ (1 - \mathtt{output}^2)\]

C++ Interface

class Tanh : public ngraph::op::util::UnaryElementwiseArithmetic

Elementwise hyperbolic tangent operation.

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

Tanh(const Output<Node> &arg)

Constructs a hyperbolic tangent operation.

Parameters
  • arg: Node that produces the input tensor.