Update arithmetic_analysis/jacobi_iteration_method.py

Co-authored-by: Christian Clauss <[email protected]>

Author: eviltypha

arithmetic_analysis/jacobi_iteration_method.py

@@ -150,7 +150,8 @@ def strictly_diagonally_dominant(table: np.ndarray) -> bool:
             if i == j:
                 continue
             else:
-                sum = sum + table[i][j]
+                sum += table[i][j]
+
 
         if table[i][i] <= sum:
             raise ValueError("Coefficient matrix is not strictly diagonally dominant")