From 19b8a858fa348d13b49ed1d56ece8e2cce30436e Mon Sep 17 00:00:00 2001
From: itsubaki <1759459+itsubaki@users.noreply.github.com>
Date: Sat, 2 Mar 2024 13:23:46 +0900
Subject: [PATCH] Update README.md

---
 README.md | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/README.md b/README.md
index fb1a0e5..8293150 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,21 @@
 
 ## Example
 
+### function
+
+```go
+x := variable.New(1.0)
+y := F.Sin(x)
+y.Backward()
+
+fmt.Println(y)
+fmt.Println(x.Grad)
+
+// Output:
+// variable([0.8414709848078965])
+// variable([0.5403023058681398])
+```
+
 ### Composite function
 
 ```go