def idz_diffsnorm(m, n, matveca, matveca2, matvec, matvec2, its=20):
 return _id.idz_diffsnorm(m, n, matveca, matveca2, matvec, matvec2, its)

def idz_diffsnorm ( m , n , matveca , matveca2 , matvec , matvec2 , its = 20 ) : return _id . idz_diffsnorm ( m , n , matveca , matveca2 , matvec , matvec2 , its )
estimate spectral norm of the difference of two complex matrices by the randomized power method .