Converts a sparse tensor into a dense tensor and returns it.
k_to_dense(tensor)
A tensor instance (potentially sparse).
A dense tensor.
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.