From 5aacc216a724bbbf7f64f76254f4677b268fa6e0 Mon Sep 17 00:00:00 2001
From: zimmersandro <sandro.zimmermann@stud.fhgr.ch>
Date: Tue, 2 Jun 2026 22:16:05 +0200
Subject: [PATCH] Spektral-Norm

---
 src/klausurvorbereitung/spektral_norm.py | 28 ++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 src/klausurvorbereitung/spektral_norm.py

diff --git a/src/klausurvorbereitung/spektral_norm.py b/src/klausurvorbereitung/spektral_norm.py
new file mode 100644
index 0000000..2e6594b
--- /dev/null
+++ b/src/klausurvorbereitung/spektral_norm.py
@@ -0,0 +1,28 @@
+"""
+Spektral-Norm ||A||2
+
+A Matrix:
+
+[4 9]
+[2 7]
+"""
+
+import numpy as np
+import sympy as sp
+
+# Numpy
+A = np.array([[4, 9], [2, 7]])
+n = np.linalg.norm(A, ord=2)
+print(n.round(4))
+
+# Sympy
+A = sp.Matrix([[4, 9], [2, 7]])
+n = A.norm(ord=2)
+print(n)
+
+"""
+Ausgabe:
+
+12.2201
+sqrt(5*sqrt(221) + 75)
+"""