Function arnoldi_householder

pub fn arnoldi_householder<A, S>(
    a: impl LinearOperator<Elem = A>,
    v: ArrayBase<S, Ix1>,
    tol: A::Real,
) -> (Q<A>, H<A>)
where
    A: Scalar + Lapack,
    S: DataMut<Elem = A>,

Utility to execute Arnoldi iteration with Householder reflection