From 0d1931b972faedba6e5a3de04fa017651283806f Mon Sep 17 00:00:00 2001
From: pu3mybsfx <3034189236@qq.com>
Date: Wed, 24 May 2023 19:14:40 +0800
Subject: [PATCH] =?UTF-8?q?=E7=AC=AC=E5=9B=9B=E9=A2=98?=
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---
 t4.m | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 t4.m

diff --git a/t4.m b/t4.m
new file mode 100644
index 0000000..5e51437
--- /dev/null
+++ b/t4.m
@@ -0,0 +1,13 @@
+clear,clc
+A=[1 1 0 3;
+   2 1 -1 1;
+   3 -1 -1 2;
+  -1 2 3 -1]
+
+[L1,U1]=lu_decompose(A)
+
+B=[8;7;14;-7]
+    
+V=inv(L1)*B
+
+X=inv(U1)*V