Instantiates an all-ones variable of the same shape as another tensor.

`k_ones_like(x, dtype = NULL, name = NULL)`

A Keras variable with the shape of x filled with ones.

- x
Keras variable or tensor.

- dtype
String, dtype of returned Keras variable. NULL uses the dtype of x.

- name
String, name for the variable to create.

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.