tf.contrib.framework.reduce_sum_n

Reduce tensors to a scalar sum.

tf.contrib.framework.reduce_sum_n(
    tensors, name=None
)

This reduces each tensor in tensors to a scalar via tf.reduce_sum, then adds them via tf.add_n.

Args
tensors	List of tensors, all of the same numeric type.
name	Tensor name, and scope for all other ops.

Returns
Total loss tensor, or None if no losses have been configured.

Raises
ValueError	if losses is missing or empty.