From aceba8e197f99abf85d2a8519448b9fbff80f5de Mon Sep 17 00:00:00 2001
From: SunAhong1993 <48579383+SunAhong1993@users.noreply.github.com>
Date: Mon, 23 Sep 2019 17:37:15 +0800
Subject: [PATCH] Update LRN.md

---
 caffe2fluid/doc/LRN.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/caffe2fluid/doc/LRN.md b/caffe2fluid/doc/LRN.md
index cc2c7e5..eb464fa 100644
--- a/caffe2fluid/doc/LRN.md
+++ b/caffe2fluid/doc/LRN.md
@@ -37,7 +37,7 @@ PaddlePaddle：默认且仅支持`ACROSS_CHANNELS`模式。
 
 #### 计算机制
 Caffe：在`ACROSS_CHANNELS`模式下，计算公式如下，公式中的$n$即为参数`local_size`
-$$output(i,x,y)=input(i,x,y)/(1+\frac{\alpha}{n}\sum_{j=max(0,i-\frac{n}{2})}^{min(C,i+\frac{n}{2})}{input(j,x,y)^2})^\beta$$ 
+$$output(i,x,y)=input(i,x,y)/(k+\frac{\alpha}{n}\sum_{j=max(0,i-\frac{n}{2})}^{min(C,i+\frac{n}{2})}{input(j,x,y)^2})^\beta$$ 
 
 PaddlePaddle：计算公式如下，
 $$output(i,x,y)=input(i,x,y)/(k+\alpha\sum_{j=max(0,i-\frac{n}{2})}^{min(C,i+\frac{n}{2})}{input(j,x,y)^2})^\beta$$  
-- 
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