.. tanh.rst: ##### Tanh ##### .. code-block:: cpp 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 ======================= .. math:: \mathtt{output}_{i_0, \ldots, i_{n-1}} = \tanh(\mathtt{arg}_{i_0, \ldots, i_{n-1}}) Backprop ======== .. math:: \overline{\mathtt{arg}} \leftarrow \Delta\ (1 - \mathtt{output}^2) C++ Interface ============= .. doxygenclass:: ngraph::op::Tanh :project: ngraph :members: