From 84a2cef0809a80f2fb0f7966322b65da62d48aa6 Mon Sep 17 00:00:00 2001
From: Daniel Cummins <daniel.cummins17@imperial.ac.uk>
Date: Mon, 6 Jan 2025 16:27:37 +0000
Subject: [PATCH] Fix non-overlapping range case to range_overlap

---
 episodes/08-defensive.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/episodes/08-defensive.md b/episodes/08-defensive.md
index 92d22fa0..bc14c002 100644
--- a/episodes/08-defensive.md
+++ b/episodes/08-defensive.md
@@ -465,7 +465,7 @@ function overlap = range_overlap(varargin)
         
         % Catch non-overlapping ranges
 	    if low >= highest || high<=lowest
-            output_range = NaN;
+            overlap = NaN;
             return
 	    end
     end