def next_domain(self, matrix):
        """
        Superdiagonal average
        Evaluate on the immediate next timestamp
        """
        r, _ = matrix.shape
        res = [matrix[i, i + 1] for i in range(r - 1)]
        return sum(res) / (r - 1)

        Superdiagonal average
        Evaluate on the immediate next timestamp
        
avalanche/benchmarks/classic/clear.py