diff --git a/src/serie_8.py b/src/serie_8.py
new file mode 100644
index 0000000..851e698
--- /dev/null
+++ b/src/serie_8.py
@@ -0,0 +1,13 @@
+# %%
+# Import
+import numpy as np
+
+# Parameter
+matrizen = [
+    np.array([[3, 1], [6, 9]]),
+    np.array([[3, 2], [1, 4]]),
+    np.array([[3, 12], [1, 4]]),
+    np.array([[2, 3, 1], [1, 2, -1], [3, 5, 1]]),
+    np.array([[3, 5, 0], [5, 8, -1], [1, 2, -1]]),
+    np.array([[2, 4, 6], [1, 2, 3], [3, 6, 9]]),
+]