提交 7f6ff6f5 编写于 作者: M minqiyang

Polish doc

test=develop
上级 35e547e0
......@@ -5830,7 +5830,13 @@ def rank_loss(label, left, right, name=None):
def margin_rank_loss(label, left, right, margin=0.1, name=None):
"""
**Margin Rank loss layer for rank problem**
Margin Rank loss layer for rank problem, which comparing left value and right value be passed in.
The rank loss can be defined as below equation:
.. math::
rank\_loss &= max(0, -label * (left - right) + margin)
Args:
label (Variable): Indicats whether left higher than (right + margin) or not.
left (Variable): rank score for left.
......
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