Converts a sparse tensor into a dense tensor and returns it.
k_to_dense(tensor)
A dense tensor.
A tensor instance (potentially sparse).
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://tensorflow.rstudio.com/reference/keras/index.html#backend.