Merge branch 'develop' of https://github.com/Zheng-Bicheng/Paddle into develop

Author: Zheng-Bicheng

python/paddle/tensor/math.py

@@ -5120,10 +5120,10 @@ def frexp(x, name=None):
         name (str, optional): For details, please refer to :ref:`api_guide_Name`. Generally, no setting is required. Default: None.
     Returns:
 
-        - mantissa (Tensor): A mantissa Tensor. The shape and data type of mantissa tensor and exponential tensor are
+        - mantissa (Tensor), A mantissa Tensor. The shape and data type of mantissa tensor and exponential tensor are
             the same as those of input.
 
-        - exponent (Tensor): A exponent Tensor. The shape and data type of mantissa tensor and exponential tensor are
+        - exponent (Tensor), A exponent Tensor. The shape and data type of mantissa tensor and exponential tensor are
             the same as those of input.
 
     Examples: