九次函数
九次函数-
本文采用单五次B一样条函数配点分析了薄板的压曲以及自由振动，用九次样条函数配点分析了几种薄壳的稳定问题。
In this paper bucking and free vibration problems of thin plates are ana - lysed by using single B & Spline function of degree five collocation method . And stability problems of some thin shells are analysed by using spline function of degree nine .