本程序是利用mathematic进行柔性体坐标变换计算。Mathematic是一个计算机代数系统,它能够做数值,符号和图形运算,主要用于科学和工程方面.-use of this procedure is for flexible body in_array coordinate transformation calculation. Mathematic program is a computer algebra system, it can do numerical, graphical and symbolic computation. mainly used for scientific and engineering aspects.