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This commit is contained in:
jiri 2013-11-04 14:54:04 +00:00
parent 49dd96eab2
commit a9e30620f0
1 changed files with 58 additions and 2 deletions
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60
t.cc
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@ -438,14 +438,15 @@ cout <<v.transpose(1)*u;
}
if(1)
if(0)
{
NRMat<complex<double> > a;
cin >>a;
int n=a.nrows();
NRMat<complex<double> > u(n,n),v(n,n);
NRVec<complex<double> >w(n);
gdiagonalize(a,w,&u,&v,0,n,0,1);
gdiagonalize(a,w,&u,&v);
//gdiagonalize(a,w,&u,&v,0,n,0,1);
cout <<u;
cout <<w;
cout <<v;
@ -1759,6 +1760,61 @@ cout <<"error = "<<(r2-NRMat<complex<double> >(r)).norm()<<endl;
*/
if(1)
{
NRMat<complex<double> > m;
ifstream f("libormat");
f >> m;
f.close();
NRVec<double> eivals(m.nrows());
NRMat<complex<double> > m_aux = m;
NRMat<complex<double> > m_test = m;
cout << "hermiticity error = " <<(m_aux.transpose(true) - m_aux).norm()<<endl;
diagonalize(m,eivals);
cout << "eivals "<<eivals;
cout <<"eivecs "<<m<<endl;
NRVec<complex<double> > eivalsc(eivals);
NRMat<complex<double> > m4 = m.transpose(true);
cout <<"unitarity error "<< (m4*m).norm(true)<<endl;
NRMat<complex<double> > m5(m.nrows(),m.nrows());
for(int i=0; i<m.nrows(); ++i) for(int j=0; j<m.nrows(); ++j)
m5(i,j) = complex<double>(m(j,i).real(), - m(j,i).imag());
cout << "conjugatetest "<<(m4-m5).norm()<<endl;
NRMat<complex<double> > m1= m_aux * m;
NRMat<complex<double> > m1x = m; m1x.diagmultr(eivalsc);
cout << "test m1 m1x "<<(m1-m1x).norm()<<endl;
NRMat<complex<double> > m2= m.transpose(true) * m1;
//NRMat<complex<double> > m2b= m * m_aux * m.transpose(true);
cout <<"check "<<m2<<endl;
//cout <<"checkb "<<m2b<<endl;
double err=0.;
for(int i=0; i<m.nrows(); ++i) for(int j=0; j<m.nrows(); ++j)
if(i!=j) err += abs(m2(i,j));
cout <<"offdiagonality error = "<<err<<endl;
//test as general matrix
NRVec<complex<double> > ww(m.nrows());
NRMat<complex<double> > vl(m.nrows(),m.nrows()), vr(m.nrows(),m.nrows());
gdiagonalize(m_test,ww,&vl,&vr);
cout << "eivals "<<ww<<endl;
cout << "eivecs "<<vl<<vr<<endl;
NRMat<complex<double> > m3= vl.transpose(true)* m_aux *vr;
cout <<"check2 "<<m3;
err=0.;
for(int i=0; i<m.nrows(); ++i) for(int j=0; j<m.nrows(); ++j)
if(i!=j) err += abs(m3(i,j));
cout <<"offdiagonality error 2 = "<<err<<endl;
}
}