Merge branch 'error_analysis' into 'main'

Error analysis

See merge request !4

utils/functions.py

@@ -3,6 +3,8 @@ import pandas as pd
 import numpy as np
 import matplotlib.pyplot as plt
 from scipy.interpolate import CubicSpline
+from scipy.spatial.transform import Rotation as R
+
 
 '''
 This file contains the functions required for running the shape sensing notebooks.