diff --git a/src/gauss/gauss_7_3.py b/src/gauss/gauss_7_3.py
new file mode 100644
index 0000000..c99f22b
--- /dev/null
+++ b/src/gauss/gauss_7_3.py
@@ -0,0 +1,12 @@
+# %%
+import numpy as np
+
+R = 1.0 * np.array(
+    [
+        [2, 3, 1],
+        [1, -2, -1],
+        [4, 1, -3],
+    ]
+)
+
+L = 1.0 * np.array([8, 3, 6])
diff --git a/src/gauss/toleranz.py b/src/gauss/toleranz.py
new file mode 100644
index 0000000..4330c38
--- /dev/null
+++ b/src/gauss/toleranz.py
@@ -0,0 +1,21 @@
+#%%
+# Python initialisieren
+import numpy as np
+
+# Parameter
+G=1.*np.array([
+    [2,3,1,8],
+    [1,-2,-1,-3],
+    [4,1,-3,6]])
+
+# Berechnung
+m = np.max(G.shape)
+n = np.linalg.norm(G)
+e = np.finfo(np.float64).eps
+tol = m * n * e
+
+print(m)
+print(n)
+print(e)
+print(tol)
+# %%