tf.keras.backend.is_sparse

Returns whether a tensor is a sparse tensor.

View aliases

Compat aliases for migration

See Migration guide for more details.

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