! 平面杆系结构静力分析程序 ! 先处理法源程序 ! ! 主要功能和特点： ! 可调数组 ! 输入单元结点编号和结点位移编码； ! 先处理法形成总体刚度阵和结构综合结点荷载 ! 存储总刚上三角元素； ! GAUSS消元法解线性代数方程组； ! 计算结点位移和单元杆端力-! Plane truss structure static analysis program! First treatment source!! Main functions and characteristics:! Adjustable array! Input module node number and node displacement coding ! First approach to form and structure of the overall stiffness matrix Consolidated Statement point load! storage total just on the triangular element ! GAUSS elimination method solving linear algebraic equations ! computing node displacement and force unit rod end