diff --git a/300s School/ME 2046 - Digital Control Theory/Homework 3/simplifying.m b/300s School/ME 2046 - Digital Control Theory/Homework 3/simplifying.m
index 79656c43..0a178494 100644
--- a/300s School/ME 2046 - Digital Control Theory/Homework 3/simplifying.m	
+++ b/300s School/ME 2046 - Digital Control Theory/Homework 3/simplifying.m	
@@ -6,3 +6,5 @@ x3_x2 = z_inv/(1-p_3*z_inv);
 total_sys = (x1_x2 + x3_x2)*x2_u;
 
 disp(simplify(expand(total_sys)))
+
+plot([1 2], [3 4])