摘要
§1.引言在分片一致三角形剖分下,用线性有限元法解特征值问题求得近似特征值λ、λ^(h/2).[1]证明了对λ~h.λ^(h/2)作外推可提高收敛阶:
In ths paper, we prove that quadrature errors do not decrease the order of accuracy of extrapolation of linear finite element eigenvalues provided evaluat in-tegrals of the stiffness and mass matrices by quadrature formula(13)or(14).
出处
《应用数学与计算数学学报》
1989年第1期48-54,共7页
Communication on Applied Mathematics and Computation
