From bfecf7dd1041f442b7348bff6e4c85006e29603d Mon Sep 17 00:00:00 2001
From: Wang Xia <wangxia@nao.cas.cn>
Date: Tue, 7 Mar 2023 07:37:07 +0000
Subject: [PATCH] Update algorithm.rst

---
 docs/source/sls/algorithm.rst | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/docs/source/sls/algorithm.rst b/docs/source/sls/algorithm.rst
index 5c31116..49a98f1 100644
--- a/docs/source/sls/algorithm.rst
+++ b/docs/source/sls/algorithm.rst
@@ -104,9 +104,12 @@ ERR数据单元构造误差数据，该步误差公式：
 
 .. math::
 
-    v = {\sigma}_1 \cdot {\sigma}_2
+\begin{displaymath}
+v = {\sigma}_1 \cdot {\sigma}_2
+\end{displaymath}
 
 \sigma = \sqrt{((SCI-bias)+\sigma^2 + readnoise^2)}
+
 **Dark correction**
 
 class: csst_ms_sls_instrument.steps.DarkCorrStep
-- 
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