From 13e81912a9ec5730b48130b131be67023e36590f Mon Sep 17 00:00:00 2001
From: Lukas <lukas.heinrich@gmail.com>
Date: Fri, 14 Aug 2020 16:33:10 +0200
Subject: [PATCH] Update Tutorial.ipynb

---
 Tutorial.ipynb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Tutorial.ipynb b/Tutorial.ipynb
index a3ba180..9900f39 100644
--- a/Tutorial.ipynb
+++ b/Tutorial.ipynb
@@ -1232,7 +1232,7 @@
     "    dx2 = 0\n",
     "    \n",
     "    #run backward\n",
-    "    dy,dx2  = sum_vjp(y,x1, dy, dx2, dz)\n",
+    "    dy,dx2  = sum_vjp(y,x1, dy, dx1, dz)\n",
     "    dx1,dx2 = mul_vjp(x1,x2, dx1, dx2, dy)\n",
     "    return z,[dx1,dx2]"
    ]