tf.keras.backend.is_sparse

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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:

a = tf.keras.backend.placeholder((2, 2), sparse=False)
print(tf.keras.backend.is_sparse(a))
False
b = tf.keras.backend.placeholder((2, 2), sparse=True)
print(tf.keras.backend.is_sparse(b))
True