tf.keras.backend.is_sparse

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TensorFlow 1 version View source on GitHub

Returns whether a tensor is a sparse tensor.

tensor A tensor instance.

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