Adds a 1-sized dimension at index axis.

k_expand_dims(x, axis = -1)



A tensor or variable.


Position where to add a new axis (axis indexes are 1-based). Pass -1 (the default) to select the last axis.


A tensor with expanded dimensions.

Keras Backend

This function is part of a set of Keras backend functions that enable lower level access to the core operations of the backend tensor engine (e.g. TensorFlow, CNTK, Theano, etc.).

You can see a list of all available backend functions here: