数值计算中，线性方程组的数值解法中，三角分解法提到列主元的三角分解法，结合原理编写的程序，里面是一道具体的题目，在具体应用中可以变通使用-Numerical calculations, the numerical solution of linear equations, triangular decomposition mentioned in the column main triangular decomposition, combined with the principle of written procedures, which is a specific topic, can be adapted for use in specific applications