tf.sequence_mask

tf.sequence_mask

tf.sequence_mask

sequence_mask(
    lengths,
    maxlen=None,
    dtype=tf.bool,
    name=None
)

Defined in tensorflow/python/ops/array_ops.py.

See the guide: Tensor Transformations > Slicing and Joining

Return a mask tensor representing the first N positions of each row.

Example:

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