本实验主要涉及解线性方程组的列主元消去法.通过编辑程序,能更深入地了解到列主元消去法的内涵.并且通过计算比较,也可以了解到数据的精度及舍入误差等一系列有关因素.-this study involved solving linear equations of main-element elimination. Through the editorial process, to better understand out to the main yuan elimination connotations. through calculation and comparison, Data can also understand that the accuracy of rounding error and a series of other relevant factors.