R/backend.R

k_placeholder

Instantiates a placeholder tensor and returns it.

Description

Instantiates a placeholder tensor and returns it.

Usage

 
k_placeholder( 
  shape = NULL, 
  ndim = NULL, 
  dtype = NULL, 
  sparse = FALSE, 
  name = NULL 
) 

Arguments

Arguments Description
shape Shape of the placeholder (integer list, may include NULL entries).
ndim Number of axes of the tensor. At least one of shape, ndim must be specified. If both are specified, shape is used.
dtype Placeholder type.
sparse Logical, whether the placeholder should have a sparse type.
name Optional name string for the placeholder.

Section

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: https://keras.rstudio.com/articles/backend.html#backend-functions.

Value

Tensor instance (with Keras metadata included).