diff --git a/mlclass-ex1/normalEqn.m b/mlclass-ex1/normalEqn.m
index d32cd8e..8863c6d 100644
--- a/mlclass-ex1/normalEqn.m
+++ b/mlclass-ex1/normalEqn.m
@@ -12,7 +12,7 @@
 
 % ---------------------- Sample Solution ----------------------
 
-
+theta = pinv(X' * X) * X' * y;
 
 
 % -------------------------------------------------------------