From fb4e5aa4ea33a9fba965c84cb7c77d98c4957931 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aur=C3=A9lien=20Geron?= <ageron@users.noreply.github.com>
Date: Mon, 7 May 2018 22:47:28 +0200
Subject: [PATCH] Fix equation 16-6 (max_alpha'=>max_a')

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

diff --git a/book_equations.ipynb b/book_equations.ipynb
index ad8a8e9..c06b03a 100644
--- a/book_equations.ipynb
+++ b/book_equations.ipynb
@@ -974,7 +974,7 @@
     "**Equation 16-6: Q-Learning using an exploration function**\n",
     "\n",
     "$\n",
-    "Q(s, a) \\gets (1-\\alpha)Q(s,a) + \\alpha\\left(r + \\gamma . \\underset{\\alpha'}{\\max}f(Q(s', a'), N(s', a'))\\right)\n",
+    "Q(s, a) \\gets (1-\\alpha)Q(s,a) + \\alpha\\left(r + \\gamma \\, \\underset{a'}{\\max}f(Q(s', a'), N(s', a'))\\right)\n",
     "$\n",
     "\n",
     "**Equation 16-7: Target Q-Value**\n",