def is_same_vectors(self, vec_set1, vec_set2):
        """
        Determine if two sets of vectors are the same within length and angle
        tolerances

        Args:
            vec_set1(array[array]): an array of two vectors
            vec_set2(array[array]): second array of two vectors
        """
        if (np.absolute(rel_strain(vec_set1[0], vec_set2[0])) >
                self.max_length_tol):
            return False
        elif (np.absolute(rel_strain(vec_set1[1], vec_set2[1])) >
                  self.max_length_tol):
            return False
        elif (np.absolute(rel_angle(vec_set1, vec_set2)) >
                  self.max_angle_tol):
            return False
        else:
            return True