c++课程设计3-6 迭代法求线性方程(4)

void operator<<(ostream& out,matrix& m) {

for (int i=0;i

out<

void operator>>(istream& in,matrix& m) {

for(int i=0;i

for(int j=0;j

cout<<\ in>>m.mat[i][j]; } } //clrscr(); }

//end of stream operators

/************************ * MAIN * ************************/ void main() { cout<<\ cout<<\学号：******\ cout<<\ char Y; cout<<\you want to input from keyboard,press 1,if you want to input from file,press 2\ cin>>Y; if(Y=='2'){ matrix one; Csimple two; one.ReadFromFile(); two.ReadFromFile(); char X; cout<<\ cin>>X;

if(X=='y'){cout<

for(char x='y';x=='y' && x!='n';) {

cout<\cin>>relax_coef; int flag=1; while(flag) { if(relax_coef<0||relax_coef>2) { cout<<\，input again\ cin>>relax_coef; continue;} if(relax_coef==1) { cout<<\ cin>>relax_coef; continue;} flag=0; }

one.solve(relax_coef); two.solve(relax_coef); one.show_answer(); two.show_answer(); one.WriteToFile(); two.WriteToFile();

cout<<\已经存放到解文件中\

cout<>x; }

cout<<\}

else if(Y=='1') { int i,j;

matrix::initialize(i,j); Csimple::initialize(i,j); matrix one(i,j); Csimple two(i,j); cin>>one; cin>>two; char X;

cout<<\ cin>>X; if(X=='y'){cout<\ cin>>relax_coef; int flag=1; while(flag) { if(relax_coef<0||relax_coef>2) { cout<<\，input again\ cin>>relax_coef; continue;} if(relax_coef==1) { cout<<\ cin>>relax_coef; continue;} flag=0; } one.solve(relax_coef); two.solve(relax_coef); one.show_answer(); two.show_answer(); cout<>x; } cout<<\ }

cin.ignore(128,'\\n'); cin.ignore(128,'\\n'); }

方程为x1-x2=1 -x1+2x2+2x3=1

x1+x2-x3=0保存在a.txt中 结果在解.Txt显示

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