Update 07-Kalman-Filter-Math.ipynb

2018-01-29 17:33:57 +00:00
parent e8b88adf5f
commit e7178023a5
1 changed files with 1 additions and 1 deletions
--- a/07-Kalman-Filter-Math.ipynb
+++ b/07-Kalman-Filter-Math.ipynb
@@ -642,7 +642,7 @@
    "$$\\begin{aligned}\n",
    "x_1 &= x \\\\\n",
    "x_2 &= \\dot x_1 \\\\\n",
-    "\\dot x_2 &= \\dot x_1 = \\ddot x\n",
+    "\\dot x_2 &= \\ddot x_1 = \\ddot x\n",
    "\\end{aligned}$$\n",
    "\n",
    "As is common I dropped the $(t)$ for notational convenience. This gives the equation\n",