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tf.keras.backend.is_sparse

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Returns whether a tensor is a sparse tensor.

Aliases:

  • tf.compat.v1.keras.backend.is_sparse
  • tf.compat.v2.keras.backend.is_sparse
tf.keras.backend.is_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