tf.segment_sum(data, segment_ids, name=None)
Computes the sum along segments of a tensor.
Read the section on Segmentation for an explanation of segments.
Computes a tensor such that \(output_i = \sum_j data_j\) where sum is over j such that segment_ids[j] == i.
Args:
data: A Tensor. Must be one of the following types: float32, float64, int64, int32, uint8, uint16, int16, int8, complex64, complex128, qint8, quint8, qint32, half.
segment_ids: A Tensor. Must be one of the following types: in