def euclidian_loss(self, org_matrix, target_matrix):
        """
            Euclidian loss is the main loss function in the paper
            ||fi(x) - fi(x_0)||_2^2& / ||fi(x_0)||_2^2
        """
        distance_matrix = target_matrix - org_matrix
        euclidian_distance = self.alpha_norm(distance_matrix, 2)
        normalized_euclidian_distance = euclidian_distance / self.alpha_norm(org_matrix, 2)
        return normalized_euclidian_distance

            Euclidian loss is the main loss function in the paper
            ||fi(x) - fi(x_0)||_2^2& / ||fi(x_0)||_2^2
        
src/inverted_representation.py