def _onenormest_matrix_power(A, p, t=2, itmax=5, compute_v=False, compute_w=False, structure=None):
 return scipy.sparse.linalg.onenormest(MatrixPowerOperator(A, p, structure=structure))

def _onenormest_matrix_power ( A , p , t = 2 , itmax = 5 , compute_v = False , compute_w = False , structure = None ) : return scipy . sparse . linalg . onenormest ( MatrixPowerOperator ( A , p , structure = structure ) )
efficiently estimate the 1-norm of a^p .