Normalizes a tensor wrt the L2 norm alongside the specified axis.
k_l2_normalize(x, axis = NULL)
Tensor or variable.
Axis along which to perform normalization (axis indexes are 1-based)
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: https://keras.rstudio.com/articles/backend.html#backend-functions.