求c语言编程用追赶法求解三对角方程组2x1+x2=1,x1+3x2+x3=2,x2+x3+...答://2x1+x2=1,x1+3x2+x3=2,x2+x3+x4=2,2x3+x4=0 include "stdio.h"include "math.h"define MAXNUM 10 //变量数量 int array[MAXNUM][MAXNUM]={{2,1,0,0,1},{1,3,1,0,2},{0,1,1,1,2},{0,0,2,1,0}};int unuse_result[MAXNUM];int GaussFun(int equ,int var,...