def METHOD_NAME(self, little_evec):
    n = len(self.H)
    t0 = g.time()
    g.rotate(self.basis[0:n], np.ascontiguousarray(little_evec.T), 0, n, 0, n)
    t1 = g.time()
    if self.verbose:
        g.message(f"Arnoldi: rotate in {t1-t0} s")
    return self.basis[0:n]