diff --git a/matrix.mtx b/matrix2.mtx
similarity index 100%
rename from matrix.mtx
rename to matrix2.mtx
diff --git a/matrix3x3.mtx b/matrix3.mtx
similarity index 100%
rename from matrix3x3.mtx
rename to matrix3.mtx
diff --git a/vector2.mtx b/vector2.mtx
new file mode 100644
index 0000000..56e0886
--- /dev/null
+++ b/vector2.mtx
@@ -0,0 +1,5 @@
+%%MatrixMarket matrix coordinate real general
+1 2 2
+1 1 1.0
+1 2 2.0
+