tf.keras.backend.is_sparse

Returns whether a tensor is a sparse tensor.

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Compat aliases for migration

See Migration guide for more details.

tf.compat.v1.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