From 0c953af82af72cf40010ceb16220ea74c2a5b575 Mon Sep 17 00:00:00 2001
From: Yingjie Wang <phywyj@gmail.com>
Date: Fri, 10 Apr 2026 01:08:20 -0400
Subject: [PATCH] update: auto commit

---
 report.tex | 1 +
 1 file changed, 1 insertion(+)

diff --git a/report.tex b/report.tex
index 2310dc5..31c1532 100644
--- a/report.tex
+++ b/report.tex
@@ -697,6 +697,7 @@
 \end{aligned}
 $}
 \]
+  where all the second order spatial derivatives are highlighted in red.
   \end{frame}
 
   \begin{frame}{References}