TY - JOUR T1 - Polynomial of Degree Four Interpolation on Triangles AU - Wang , Jia-Ye AU - Zhang , Cai-Ming JO - Journal of Computational Mathematics VL - 2 SP - 155 EP - 162 PY - 1991 DA - 1991/09 SN - 9 DO - http://doi.org/ UR - https://global-sci.org/intro/article_detail/jcm/9388.html KW - AB -

A method for constructing the $C^1$ piecewise polynomial surface of degree four on triangles is presented in this paper. On every triangle, only nine interpolation conditions, which are function values and first partial derivatives at the vertices of the triangle, are needed for constructing the surface.