From e53119f5b101ea17926f3e2c93fae40a788eeed7 Mon Sep 17 00:00:00 2001
From: Hongyu Liu <43953930+phlrain@users.noreply.github.com>
Date: Fri, 24 May 2019 16:20:22 +0800
Subject: [PATCH] Fix decayed adagrad example (#17390)

* fix DecayedAdagrad example;
test=develop
test=document_preview

* add space; test=develop
---
 python/paddle/fluid/optimizer.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/python/paddle/fluid/optimizer.py b/python/paddle/fluid/optimizer.py
index c4443afb6bd..24bb5a5b3d1 100644
--- a/python/paddle/fluid/optimizer.py
+++ b/python/paddle/fluid/optimizer.py
@@ -1427,6 +1427,13 @@ class DecayedAdagradOptimizer(Optimizer):
     Examples:
         .. code-block:: python
 
+            import paddle.fluid as fluid
+            import paddle.fluid.layers as layers
+            from paddle.fluid.optimizer import DecayedAdagrad
+
+            x = layers.data( name='x', shape=[-1, 10], dtype='float32' )
+            trans = layers.fc( x, 100 )
+            cost = layers.reduce_mean( trans )
             optimizer = fluid.optimizer.DecayedAdagrad(learning_rate=0.2)
             optimizer.minimize(cost)
 
-- 
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