tf.contrib.keras.backend.is_sparse

tf.contrib.keras.backend.is_sparse

is_sparse(tensor)

Defined in tensorflow/contrib/keras/python/keras/backend.py.

Returns whether a tensor is a sparse tensor.

Arguments:

tensor: A tensor instance.

Returns:

A boolean.

Example:

    >>> from keras import backend as K
    >>> a = K.placeholder((2, 2), sparse=False)
    >>> print(K.is_sparse(a))
    False
    >>> b = K.placeholder((2, 2), sparse=True)
    >>> print(K.is_sparse(b))
    True