clear;
format?long
n=input（‘Please?input?the?dimension?of?problem?n=??‘）;
rand（‘state‘0）;?
tol=10^（-6）;
A=zeros（nn）;
[xy]=meshgrid（1:n1:n）;
z=x+y;
A=1./（z-1）;
b=ones（n1）;
%d=rand（n1）;??
%M=A‘*A+B;?????q=（rand（n1）-0.5）*1000;?
xstart=zeros（n1）;
fprintf（‘The?result?of?CG?method?is?as?follows:‘）;
[timekx]=normCG（xstartAbtol）
fprintf（‘The?result?of?precondition?CG?method?is?as?follows:‘）;
[timekx]=preCG（xstartAbtol）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????448??2011-04-13?15:32??CG\CGtest.m
?????文件?????????549??2011-05-16?22:44??CG\choleskysol.m
?????文件?????????451??2011-05-16?22:43??CG\lowersol.m
?????文件?????????664??2011-05-16?23:23??CG\nonCG.m
?????文件?????????830??2011-05-02?21:09??CG\normCG.m
?????文件?????????966??2011-04-13?15:35??CG\preCG.m
?????文件?????????479??2011-05-16?22:42??CG\uppersol.m
?????目錄???????????0??2012-03-01?18:21??CG\