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Computes offsets of concat inputs within its output.

For example:

# 'x' is [2, 2, 7]
# 'y' is [2, 3, 7]
# 'z' is [2, 5, 7]
concat_offset(2, [x, y, z]) => [0, 0, 0], [0, 2, 0], [0, 5, 0]

This is typically used by gradient computations for a concat operation.

concat_dim A Tensor of type int32. The dimension along which to concatenate.
shape A list of at least 2 Tensor objects with type int32. The N int32 vectors representing shape of tensors being concatenated.
name A name for the operation (optional).

A list with the same length as shape of Tensor objects with type int32.