无穷小变换中向量场延拓公式的Mathematica程序及其应用

Mathematica Program of Vector Field Prolongation Formula in Infinitesimal Transformation and Its Application

引入无穷小变换中的向量场延拓公式,利用Mathematica程序实现该公式的计算并将计算结果转换为代数表达式,在此基础上给出一个应用实例的Mathematica程序。

The vector field prolongation formula of infinitesimal transformation is introduced, and its computation is achieved by means of Mathematica program. Furthermore, the result of computation is transformed into algebraic expression, then, an applicable example of Mathematica program is given.