From bf7ad5d5f7d14879d1549127e058565cc0f7622a Mon Sep 17 00:00:00 2001
From: Roger Labbe <rlabbejr@gmail.com>
Date: Sun, 16 Sep 2018 10:15:42 -0700
Subject: [PATCH] Github #235 2 used instead of z in a subscript

---
 06-Multivariate-Kalman-Filters.ipynb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/06-Multivariate-Kalman-Filters.ipynb b/06-Multivariate-Kalman-Filters.ipynb
index 954f94a..962e409 100644
--- a/06-Multivariate-Kalman-Filters.ipynb
+++ b/06-Multivariate-Kalman-Filters.ipynb
@@ -1909,7 +1909,7 @@
     "In the univariate chapter we scaled the mean using this equation\n",
     "\n",
     "$$\n",
-    "\\mu =\\frac{\\bar\\sigma^2 \\mu_2 + \\sigma_\\mathtt{z}^2 \\bar\\mu} {\\bar\\sigma^2 + \\sigma_\\mathtt{z}^2}$$\n",
+    "\\mu =\\frac{\\bar\\sigma^2 \\mu_z + \\sigma_\\mathtt{z}^2 \\bar\\mu} {\\bar\\sigma^2 + \\sigma_\\mathtt{z}^2}$$\n",
     "\n",
     "which we simplified to\n",
     "\n",