From 640a433fa8be6c0269db148e08ccf2bfe03957ca Mon Sep 17 00:00:00 2001
From: bnewbold <bnewbold@robocracy.org>
Date: Wed, 11 Jan 2017 17:19:41 -0800
Subject: examples: expand on lotke-voltera

---
 examples/lotka_volterra/model.modelica | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'examples/lotka_volterra/model.modelica')

diff --git a/examples/lotka_volterra/model.modelica b/examples/lotka_volterra/model.modelica
index 1ab761e..706ebc3 100644
--- a/examples/lotka_volterra/model.modelica
+++ b/examples/lotka_volterra/model.modelica
@@ -1,10 +1,11 @@
 model LotkaVolterra
+  "Predator-Prey equations describing population dynamics of two biological species"
   parameter Real    alpha;
   parameter Real    beta;
   parameter Real    delta;
   parameter Real    gamma;
-  Real              x;
-  Real              y;
+  Real              x "population of prey";
+  Real              y "population of predator";
 equation
   der(x) = (alpha * x) - (beta * x * y);
   der(y) = (delta * x * y) - (gamma * y);
-- 
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