From 4669507d7a8274a40cff93a011d34b6171227ea6 Mon Sep 17 00:00:00 2001 From: Roger Labbe Date: Sat, 25 Jun 2016 15:40:53 -0700 Subject: [PATCH] Fixed computation of epoch Section changed the time delta from 2 seconds to 1, but did not note that in the text. --- 04-One-Dimensional-Kalman-Filters.ipynb | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/04-One-Dimensional-Kalman-Filters.ipynb b/04-One-Dimensional-Kalman-Filters.ipynb index 3a1be80..7d043bf 100644 --- a/04-One-Dimensional-Kalman-Filters.ipynb +++ b/04-One-Dimensional-Kalman-Filters.ipynb @@ -2814,7 +2814,7 @@ "\n", "Position is easy. We define $x$ as a Gaussian. If we think the dog is at 10 m, and the standard deviation of our uncertainty is 0.2 m, we get $x=\\mathcal N(10, 0.2^2)$.\n", "\n", - "What about our uncertainty in his movement? We define $f_x$ as a Gaussian. If the dog's velocity is 15 m/s, and the standard deviation of our uncertainty is 0.7 m/s, we get $f_x = \\mathcal N (15, 0.7^2)$.\n", + "What about our uncertainty in his movement? We define $f_x$ as a Gaussian. If the dog's velocity is 15 m/s, the epoch is 1 second, and the standard deviation of our uncertainty is 0.7 m/s, we get $f_x = \\mathcal N (15, 0.7^2)$.\n", "\n", "The equation for the prior is \n", "\n",