To solve the problem that the single structure stiffness matrix caused by the too big dispersion of element thickness between different levels, it proposed the adjustive method of relevant parameters.
为解决各层优化单元厚度相差太大，易造成结构刚度矩阵奇异的问题，提出对相应参数的调整方法。
Calculating the continuous beam, frame of single-span and multi-story by deflection method, the stiffness matrix is symmetrical three-diagonal.
用位移法计算连续梁、对称性荷载作用下的单跨多层刚架，总刚度阵为对称三对角阵。
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