diff --git a/Powerflow b/Powerflow
new file mode 160000
index 0000000..a8da7f9
--- /dev/null
+++ b/Powerflow
@@ -0,0 +1 @@
+Subproject commit a8da7f966d23827f01fec553a52bab3186c8a35c
diff --git a/run.m b/run.m
new file mode 100644
index 0000000..2125e74
--- /dev/null
+++ b/run.m
@@ -0,0 +1,2 @@
+addpath('.\Powerflow')
+pf ieee4.dat 0;