From fe1ab59a93c2d5ba58561e62b6f74c1024443834 Mon Sep 17 00:00:00 2001
From: Yang Zhou <yangzhou.info@gmail.com>
Date: Tue, 5 Nov 2024 07:23:57 -0500
Subject: [PATCH] fix state_derivate test

---
 src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 111efb37..ef11b73b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -274,7 +274,7 @@ impl Quadrotor {
     /// use nalgebra::UnitQuaternion;
     /// let (time_step, mass, gravity, drag_coefficient) = (0.01, 1.3, 9.81, 0.01);
     /// let inertia_matrix = [0.0347563, 0.0, 0.0, 0.0, 0.0458929, 0.0, 0.0, 0.0, 0.0977];
-    /// let quadrotor = Quadrotor::new(time_step, mass, gravity, drag_coefficient, inertia_matrix).unwrap();
+    /// let mut quadrotor = Quadrotor::new(time_step, mass, gravity, drag_coefficient, inertia_matrix).unwrap();
     /// let state = [
     ///   0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0
     /// ];