中文说明：数值分析技术是工程领域不可或缺的一项科研技能，这里将基本的数值分析理论的一些源程序发布有高斯消去法，拉格朗日插值法，龙格库塔方法，追赶法，复化积分法等等
English Description：
Numerical analysis is an integral part of the research in the field of engineering skills, numerical analysis of the basic theory of source distribution is Gaussian elimination method, Lagrange interpolation method, Runge Kutta method, method, complex points of law, and so on