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1、数值分析实验 3一实验名称：追赶法二、实验目的：（1）学会用追赶法解三对角方程组。三、实验要求（1） 按照题目要求完成实验内容（2） 写出相应的 C 语言程序（3） 给出实验结果 （4） 写出相应的实验报告四、实验题目1. 追赶法解线性方程组 50212431x2用追赶法解下列 n 阶方程组 12314715145nxx 取 n=10 和 n=100。#include#includeint main()int n=10,i,j,m=n+1;float amm,umm,lmm,t,xm,ym,bm,d=1,e=-4,f=1;for(i=2;i=1;i-)xi=(yi-aii+1*xi+1)/ui
2、i;for(i=1;i=n;i+)printf( x%d=%fn,i,xi);x1=8.705771x2=7.823085x3=7.586571x4=7.523196x5=7.506216x6=7.501665x7=7.500446x8=7.500119x9=7.500031x10=7.500008x11=7.500002x12=7.500000x13=7.500000x14=7.500000 x15=7.500000x16=7.500000x17=7.500000x18=7.500000x19=7.500000x20=7.500000x21=7.500000x22=7.500000x23=7
3、.500000x24=7.500000x25=7.500000x26=7.500000x27=7.500000x28=7.500000x29=7.500000x30=7.500000x31=7.500000x32=7.500000x33=7.500000x34=7.500000x35=7.500000x36=7.500000x37=7.500000x38=7.500000x39=7.500000x40=7.500000x41=7.500000x42=7.500000x43=7.500000x44=7.500000x45=7.500000x46=7.500000x47=7.500000x48=7
4、.500000x49=7.500000x50=7.500000x51=7.500000x52=7.500000x53=7.500000x54=7.500000x55=7.500000x56=7.500000x57=7.500000x58=7.500000 x59=7.500000x60=7.500000x61=7.500000x62=7.500000x63=7.500000x64=7.500000x65=7.500000x66=7.500000x67=7.500000x68=7.500000x69=7.500000x70=7.500000x71=7.500000x72=7.500000x73=
5、7.500000x74=7.500000x75=7.500000x76=7.500000x77=7.500000x78=7.500000x79=7.500000x80=7.500000x81=7.500000x82=7.500000x83=7.500000x84=7.500000x85=7.500000x86=7.500000x87=7.500000x88=7.500000x89=7.499999x90=7.499996x91=7.499986x92=7.499947x93=7.499801x94=7.499256x95=7.497224x96=7.489641x97=7.461339x98=
6、7.355716x99=6.961524x100=5.4903810.000001-0.000001 0.000001-0.0000010.0000010.0000010.0000000.0000010.0000010.000001-0.0000000.0000020.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.00000
7、10.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.000001 0.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.0000010.000000-0.0000000.0000000.000000 0.0000000.0000000.000000-0.0000000.0000000.0000000.0000000.000000请按任意键继续. . .
