diff --git a/姚安欣/fun2.m b/姚安欣/fun2.m
new file mode 100644
index 0000000..7c77430
--- /dev/null
+++ b/姚安欣/fun2.m
@@ -0,0 +1,15 @@
+function f=fun2(x)
+a=[1.25,8.75,0.5,5.75,3,7.25];
+b=[1.25,0.75,4.75,5,6.5,7.25];
+ f1 = 0;  % 初始化f1  
+ f2 = 0;  % 初始化f2  
+for i=1:6
+    s=sqrt((a(i)-x(13))^2+(b(i)-x(14))^2);
+    f1=x(i)*s+f1;
+end
+for i=7:12
+    s=sqrt((a(i-6)-x(15))^2+(b(i-6)-x(16))^2);
+    f2=s*x(i)+f2;
+end
+f=f1+f2;
+end
\ No newline at end of file