From e7fb4c545a8ea4465692c0a45b743439737f4a0e Mon Sep 17 00:00:00 2001
From: Krzysztof Rudnicki <krzysztofrudnicki0@gmail.com>
Date: Thu, 5 Dec 2024 20:12:59 +0100
Subject: [PATCH] Revert "Merge pull request #12 from kuhyx/ola"

This reverts commit ad1f64e3421b668bf3850ddffd2b4a01286a5f68, reversing
changes made to 2619f041d771a479a8a70a788bad3e92cbe098b6.
---
 code/richardson_method.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/code/richardson_method.py b/code/richardson_method.py
index 2144fc22..fb5874f3 100644
--- a/code/richardson_method.py
+++ b/code/richardson_method.py
@@ -23,7 +23,10 @@ class RichardsonMethod:
         
     @staticmethod
     def calculate_eigenvalues(LinAlgType, A, type):
-        return EigenvalueMethods.inverse_power_method(LinAlgType, A, type), EigenvalueMethods.power_method(LinAlgType, A, type)
+        eigenvalues = np.linalg.eigvals(A)
+        lambda_min = np.min(eigenvalues)
+        lambda_max = np.max(eigenvalues)
+        return lambda_min, lambda_max
 
     @staticmethod
     def calculate_omega(lambda_min, lambda_max):