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C++ TMinuit::mnprin方法代码示例

本文整理汇总了C++中TMinuit::mnprin方法的典型用法代码示例。如果您正苦于以下问题：C++ TMinuit::mnprin方法的具体用法？C++ TMinuit::mnprin怎么用？C++ TMinuit::mnprin使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TMinuit的用法示例。


在下文中一共展示了TMinuit::mnprin方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: MinuitFit

Double_t Fitter::MinuitFit() {
  TMinuit *gMinuit = new TMinuit(1);
  gMinuit->SetFCN(ChiSquare);
  
  //settings 
  Double_t arglist[6];
  Int_t ierflg = 0;
  
  // Set starting values and step sizes for parameters
  gMinuit->mnparm(0, "Sig", _W1, _step, _W1min, _W1max,ierflg);
  //gMinuit->mnparm(0, "Sig", _W1, _step,0,0,ierflg);
  
  // Now ready for minimization step
  gMinuit->mnexcm("MIGRAD", arglist ,0,ierflg);
  
  // Print results
  Double_t amin,edm,errdef;
  Int_t nvpar,nparx,icstat;
  gMinuit->mnstat(amin, edm, errdef, nvpar, nparx, icstat);
  gMinuit->mnprin(3, amin);
  
  //gMinuit->mnexcm("MINOS", arglist ,0,ierflg);
  for(int i=0; i<1; i++)
    {
      gMinuit -> GetParameter(i, _W1, _W1err);
      cout<<"Parameter fit  "<<i<<" value "<<_W1<<" err "<<_W1err<<endl;
    }
  
  delete gMinuit;
  
  //calculate bkg error:
  double entries_mc = _hsig->Integral(_hdata->GetXaxis()->FindBin(_xmin), _hdata->GetXaxis()->FindBin(_xmax));
  double entries_bkg = _hbkg->Integral(_hdata->GetXaxis()->FindBin(_xmin), _hdata->GetXaxis()->FindBin(_xmax));
  _W2err = _W1err*entries_mc/entries_bkg;

  return amin;
}
开发者ID:hengne，项目名称:d0wmass，代码行数:37，代码来源:Fitter.cpp

示例2: Ifit


//.........这里部分代码省略.........
    }
    //do minos if fit sucessed.

  }
  if (ierflg != 0 )  {
    printf(" *********** Fit failed! ************\n");
    gMinuit->GetParameter(0, para[0],errpara[0]);
    gMinuit->GetParameter(1, para[1],errpara[1]);
    para[0]=0.; errpara[0]=0.;

    c1->cd();
    c1->Draw();  
    //gPad->SetLogy();
    hdata->SetNdivisions(505,"XY");
    hdata->SetXTitle("comb. ISO (GeV)");
    hdata->SetYTitle("Entries");
    hdata->SetTitle("");
    hdata->SetMarkerStyle(8);
    hdata->SetMinimum(0.);
    if ( hdata->GetMaximum()<10.) hdata->SetMaximum(15.);
    else hdata->SetMaximum(hdata->GetMaximum()*1.25);
    if ( strcmp(EBEE,"EE")==0 &&ptbin == 15 ) hdata->SetMaximum(hdata->GetMaximum()*1.25);
   
    hdata->Draw("phe");  

    return fitted;    
  }

  
  // Print results
//   Double_t amin,edm,errdef;
  Int_t nvpar,nparx,icstat;
  gMinuit->mnstat(amin,edm,errdef,nvpar,nparx,icstat);
  gMinuit->mnprin(1,amin);  
  gMinuit->mnmatu(1);
  printf(" ========= happy ending !? =========================== \n");
  
  printf("FCN =  %3.3f \n", amin);

  //use new PDF form
  double tmppar[12];
  for(int ii=0; ii<9; ii++){
    tmppar[ii] = para[ii+2];
    fmcsigfit->SetParameter(ii,tmppar[ii]);
    fbkgfit->SetParameter(ii,tmppar[ii]);
  }

  c101->cd(1);
  
  //fmcsigfit->SetParameters(tmppar);
  //fmcsigfit->SetParameter(2,0.1);
  //fmcsigfit->SetLineStyle(2);

  fmcsigfit->Draw("same");
  c101->cd(2);

  fbkgfit->SetParameter(4,fbkgfit->GetParameter(4)*fmcbkg->Integral(-1., 20.)/fbkgfit->Integral(-1., 20.));
  fbkgfit->Draw("same");

  char fname[100];
  sprintf(fname,"plots/template_Ifit%s_%d.pdf",EBEE,ptbin);
  c101->SaveAs(fname);


  f11->SetParameters(tmppar);
  SigPDFnorm = f11->Integral(-1., 20.);
开发者ID:ramankhurana，项目名称:usercode，代码行数:67，代码来源:VaryTurnOn_ext-mL_fit_ISO.C

示例3: fit_chi2_err_two_components


//.........这里部分代码省略.........
  // set first parameter
  Double_t vstart = sigFrac_intial;
  //Double_t vstart = 0.48 ;//0.11;//intial value
  Double_t step = 0.001;
  gMinuit->mnparm(0, "fsig", vstart, step, 0,1,ierflg);

/*
  // set second parameter
    vstart = bkg1Frac_intial;
//    vstart = 0.4; //0.69;//intial value
    step = 0.001;
  gMinuit->mnparm(1, "fbk1", vstart, step, 0,1,ierflg);
*/

  // Now ready for minimization step
  arglist[0] = 1000;
  arglist[1] = 0.01;
  gMinuit->mnexcm("MIGRAD", arglist ,2,ierflg);

  Double_t fsig=0;
  Double_t fsigerr=0;
  Double_t fbk1=0;
//  Double_t fbk1err=0;
  Double_t chi2 = 0;


  if ( ierflg == 0 ) 
    {

      // Print results
      Double_t amin,edm,errdef;
      Int_t nvpar,nparx,icstat;
      gMinuit->mnstat(amin,edm,errdef,nvpar,nparx,icstat);
      gMinuit->mnprin(3,amin);
      chi2 = (gMinuit->fAmin)/dof;
      gMinuit->GetParameter(0, fsig, fsigerr );  

//      gMinuit->GetParameter(1, fbk1, fbk1err );
      //cout << "Fsig = " << fsig << " +- " << fsigerr << endl;
      //cout << "Fbk1 = " << fbk1 << " +- " << fbk1err << endl;
      //cout << "Chi2/degree of freedom = " << chi2 <<endl;
	fbk1 = 1 - fsig ; 
//      TCanvas* c1 = new TCanvas("c1","",500,500);

  TH2F *htmp2 = new TH2F("htmp2","",100, 0., 0.025, 100, 0., data->GetMaximum()*1.25);

  htmp2->SetNdivisions(505,"XY");
  htmp2->SetXTitle("SigmaIetaIeta");
  htmp2->SetYTitle("A.U.");
  htmp2->SetLineColor(1); 

//     htmp2->Draw();


  TH1D* signal_display = (TH1D*)signal_pos->Clone();
  signal_display->SetName("signal_display");
  Double_t scale_sig = signal_display->Integral();
  signal_display->Scale(fsig/scale_sig);
  signal_display->SetFillStyle(3001);

      
  TH1D* background_display1 = (TH1D*)background_pos1->Clone();
  background_display1->SetName("background_display1");
  Double_t scale_background1 = background_display1->Integral();
  background_display1->Scale(fbk1/scale_background1);
  background_display1->SetFillStyle(3001);
开发者ID:syuvivida，项目名称:xtozh_common，代码行数:67，代码来源:fit_chi2_err_two_components.C

示例4: Ifit


//.........这里部分代码省略.........
        info_err.push_back(errpara[j]);
        printf("Parameter (yeild) %d = %f +- %f\n",j,para[j],errpara[j]);
	
      }
      printf(" fitted yield %2.3f \n", (para[0]+para[1])/ndata );

      info.push_back(sigColl.size());

      //do minos if fit sucessed.
//       printf("         ---------------------------------------------------------\n");
//       printf("          Now call for minos step \n");
//       printf("         ---------------------------------------------------------\n");
      
//       arglist[0] = 200; // number of iteration
//       arglist[1] = 1;
//       gMinuit->mnexcm("MINOS", arglist ,2,ierflg);
//       printf("         --------------------------------------------------------- \n");
//       printf("         Done Minos.  ierr = %d \n", ierflg);
//       Double_t amin;
//       gMinuit->mnprin(1,amin);
    }
  else {
    printf(" *********** Fit failed! ************\n");
    gMinuit->GetParameter(0, para[0],errpara[0]);
    gMinuit->GetParameter(1, para[1],errpara[1]);
    para[0]=0.; errpara[0]=0.;
  }

  
  // Print results
  Double_t amin,edm,errdef;
  Int_t nvpar,nparx,icstat;
  gMinuit->mnstat(amin,edm,errdef,nvpar,nparx,icstat);
  gMinuit->mnprin(1,amin);  
  gMinuit->mnmatu(1);
  printf(" ========= happy ending !? =========================== \n");
  
  printf("FCN =  %3.3f \n", amin);

  double yerr[100];
  for(int i=0;i<100;i++){
    yerr[i] = 0.;
  }

  hsig->Scale(para[0]);
  hbkg->Scale(para[1]);
  TH1D *hfit = (TH1D*)hbkg->Clone();
  hfit->Add(hsig);

  hsig->SetLineColor(4);
  hsig->SetLineWidth(2);
//   hsig->SetFillColor(5);
//   hsig->SetFillStyle(3001);

//   hbkg->SetLineWidth(2);
  // plot
  c1->Draw();  
    gStyle->SetOptStat(0);
    gStyle->SetOptTitle(0); 
  //gPad->SetLogy();
  hdata->SetLineColor(1);

  hdata->SetXTitle(xTitle.c_str());
  hdata->SetYTitle(yTitle.c_str());
  hdata->SetTitle("");
  hdata->SetMarkerStyle(8);
开发者ID:alphatsai，项目名称:TTBarCPVAnalysisRun1，代码行数:67，代码来源:ext-mL_fit.C

示例5: fit_chi2

// -- main function
void fit_chi2(TH1D* dataInput, TH1D* sigTemplate, TH1D* bkgTemplate, std::string prefix, Double_t& sigFrac, Double_t& sigFrac_err)
{
  gStyle->SetOptStat(kFALSE);
  gStyle->SetCanvasColor(0);
  gStyle->SetCanvasBorderMode(0);
  gStyle->SetPadBorderMode(0);
  gStyle->SetFrameBorderMode(0);

  Double_t scale=1.;

  data = (TH1D*)dataInput->Clone();
  data->SetName("data");
  data->SetLineColor(1);
  data->SetMarkerColor(1);
  data->SetXTitle("Fisher's isolation [GeV]");
  data->Sumw2();
  scale = 1.0/(Double_t)data->Integral(0,1000); 
  cout << "scale for data = " << scale << endl;
  data->Scale(scale);


  fit_result = (TH1D*)dataInput->Clone();
  fit_result->SetName("fit_result");
  fit_result->SetLineColor(8); 
  fit_result->SetMarkerColor(8);
  fit_result->SetLineStyle(2);
  fit_result->Sumw2();
  fit_result->Reset();


  signal_pos = (TH1D*)sigTemplate->Clone();
  signal_pos->SetName("signal_pos");
  signal_pos->SetLineColor(2);
  signal_pos->SetMarkerColor(2);
  signal_pos->SetFillColor(2);
  signal_pos->SetXTitle("Fisher's isolation [GeV]");
  signal_pos->Sumw2();
  scale = 1.0/(Double_t)signal_pos->Integral(0,1000); 
  cout << "scale for signal template = " << scale << endl;
  signal_pos->Scale(scale);


  background_pos = (TH1D*)bkgTemplate->Clone();
  background_pos->SetName("background_pos");
  background_pos->SetLineColor(4);
  background_pos->SetMarkerColor(4);
  background_pos->SetFillColor(4);
  background_pos->SetXTitle("Fisher's isolation [GeV]");
  background_pos->Sumw2();
  scale = 1.0/(Double_t)background_pos->Integral(0,1000); 
  cout << "scale for background template = " << scale << endl;
  background_pos->Scale(scale);



  TMinuit *gMinuit = new TMinuit(1);  //initialize TMinuit with a maximum of 5 (1param??) params
  gMinuit->SetFCN(fcn); // sets function to minimize: fcn is Chi2 with errors on templates

  Double_t arglist[10];
  Int_t ierflg = 0; // status flag, it is 0 when ereything goes fine

  // -- sets error
  arglist[0] = 1;
  gMinuit->mnexcm("SET ERR", arglist ,1,ierflg);


  Double_t vstart = 0.5;
  Double_t step = 0.001;
  gMinuit->mnparm(0, "fsig", vstart, step, 0,1,ierflg);



  // Now ready for minimization step
  arglist[0] = 1000;
  arglist[1] = 0.01;
  gMinuit->mnexcm("MIGRAD", arglist ,2,ierflg);

  Double_t fsig=0;
  Double_t fsigerr=0;
  Double_t chi2 = 0;


  if ( ierflg == 0 ) 
    {

      // Print results
      Double_t amin,edm,errdef;
      Int_t nvpar,nparx,icstat;
      gMinuit->mnstat(amin,edm,errdef,nvpar,nparx,icstat);
      gMinuit->mnprin(3,amin);
      chi2 = gMinuit->fAmin;
      gMinuit->GetParameter(0, fsig, fsigerr);  
      cout << "Fsig = " << fsig << " +- " << fsigerr << endl;

      TCanvas* c1 = new TCanvas("c1","",500,500);

      data->Draw();
      TH1D* signal_display = (TH1D*)signal_pos->Clone();
      signal_display->SetName("signal_display");
//.........这里部分代码省略.........
开发者ID:ramankhurana，项目名称:usercode，代码行数:101，代码来源:fit_chi2.C

示例6: Loop


//.........这里部分代码省略.........
  
  Double_t arglist[NPAR]; // ???
  Int_t ierflg = 0;

// Set starting values and step sizes for parameters

  Double_t vstart[NPAR] ;
  Double_t step[NPAR] ;
  Double_t par[NPAR] ,fpar[NPAR];
  char parName[NPAR];
  Int_t n;
  parName[0] = "Pythia";
  parName[1] = "Pompyt";

  par[0] = Hdata->Integral()/Hpythia->Integral();
  par[1] = 0.05*Hdata->Integral()/Hpompyt->Integral();


  for (n=0 ; n<NPAR ; n++)
    {
      vstart[n] = par[n]  ;
      step[n] = 0.5 ;
      sprintf(parName,"a%d",n);
      gMinuit->mnparm(n, parName, vstart[n], step[n], 0,0,ierflg);
    }

  cout << "par[0] set to = " << par[0] << " while par[1] = " << par[1] << endl;
  arglist[0] = 1;

  gMinuit->mnexcm("SET ERR", arglist ,1,ierflg);  
  gMinuit->mnexcm("SET PRINT", arglist,1,ierflg);

  //Scan on parameter = 1
  arglist[0] = 1;
  gMinuit->mnexcm("SCAN",  arglist,1,ierflg);
  
  //Maximum number of calls
  arglist[0] = 500;
  gMinuit->mnexcm("MIGRAD", arglist,1,ierflg);
 


  // Print results
  Double_t amin,edm,errdef;
  Int_t nvpar,nparx,icstat;

  gMinuit->mnstat(amin,edm,errdef,nvpar,nparx,icstat);
  gMinuit->mnprin(3,amin);


  //Get the final fit parameters
  for (n=0 ; n<NPAR ; n++)
    {
      Double_t parameter, erro ;
      gMinuit->GetParameter(n,parameter,erro) ;
      fpar[n] = parameter ;
    }
  
  cout << " The final parameter values are: "<< fpar[0] << " , " << fpar[1] << endl;

  Float_t SD_frac = (fpar[1]*Hpompyt->Integral())/Hdata->Integral();
  //  Float_t NSD_events = fpar[0]*Hpythia->Integral();
  // Float_t Data_events = Hdata->Integral();

  cout << " The fraction of SD events is = " << SD_frac << endl;


  // }
  // void fill_minEE_class::show(){


  //Show the final plot

  MyC->cd(1);

  Hpythia->Scale(fpar[0]); 
  Hpompyt->Scale(fpar[1]); 

  Hdata->SetMarkerColor(2);
  Hdata->GetXaxis()->SetTitle("Min(EE-,EE+) Energy [GeV] ");
  Hdata->GetYaxis()->SetTitle("Entries");
  Hpompyt->SetLineColor(4);
  Hpythia->SetLineColor(6);
  Hpompyt->SetLineStyle(2);
  Hpythia->SetLineStyle(2);
   
  Float_t DMax = 1.2*Hdata->GetMaximum();
  Hdata->SetMaximum(DMax);
  Hdata->Draw("p");

  Hpythia->Draw("SAMES");
  Hpompyt->Draw("SAMES");
  
  HSum->Add(Hpythia);
  HSum->Add(Hpompyt);
  HSum->SetLineColor(1);
  HSum->SetLineStyle(1);
  HSum->Draw("SAMES");

}
开发者ID:dfigueiredo，项目名称:Torino，代码行数:101，代码来源:fill_minEE_class.C

示例7: main


//.........这里部分代码省略.........
     cout << "+++++++++++++++++++++" << endl;
     cout << "+ ups.. check again +" << endl;
     cout << "+++++++++++++++++++++" << endl;
   }

   // MIGRAD: error optimiser
   if(ierflg==0 && 0){
     arglist[0] = 500000;
     gMinuit->mnexcm("MIGRAD", arglist ,1,ierflg);
     cout << " MIGRAD flag is " << ierflg << endl;
     if(ierflg!=0){
       cout << "+++++++++++++++++++++" << endl;
       cout << "+ ups.. check again +" << endl;
       cout << "+++++++++++++++++++++" << endl;
     }
   }

   // Minos: error optimiser
   if(ierflg==0 && 0){
     arglist[0] = 500000;
     gMinuit->mnexcm("MINOS", arglist ,1,ierflg);
     cout << " MINOS flag is " << ierflg << endl;
     if(ierflg!=0){
       cout << "+++++++++++++++++++++" << endl;
       cout << "+ ups.. check again +" << endl;
       cout << "+++++++++++++++++++++" << endl;
     }
   }

// Print results
   Double_t amin,edm,errdef;
   Int_t nvpar,nparx,icstat;
   gMinuit->mnstat(amin,edm,errdef,nvpar,nparx,icstat);
   gMinuit->mnprin(3,amin);
 
   cout << "prob = " << TMath::Prob(amin,gEntriesUsed-gMinuit->GetNumFreePars())*100 << " %" << endl;
   cout << "ndf = " << gEntriesUsed-gMinuit->GetNumFreePars() << endl;

   
   cout << "output" << endl;
//   gMinuit->mnexcm("SHO COV", arglist ,0,ierflg);
//   gMinuit->mnexcm("SHO COR", arglist ,0,ierflg);
//   gMinuit->mnexcm("SHO EIG", arglist ,0,ierflg);
   
   //get fit parameters
   double par[15], epar;
   for(int i=0; i<NoPar; i++){
     gMinuit->GetParameter(i,par[i],epar);
   }

   
   TFile *output = new TFile("FitParFieldStrength_out.root","RECREATE");

   int tcount = 0;
   float tmpBAngle, tmpZenith;
   float r0x[gMaxEvents], r0y[gMaxEvents];
   float bx[gMaxEvents], by[gMaxEvents];
   
   for(int i=0; i<gEntries; i++){
     if(gFieldStrengthAnt[i]>0 && gFieldStrengthNS[i]>0 && gFieldStrengthEW[i]>0){
       tmpBAngle = gBAngle[i] * TMath::Pi() / 180.;
       tmpZenith = gZenith[i] * TMath::Pi() / 180.;
       
       r0x[tcount] = -gDistanceShowerAxis[i];
       r0y[tcount] = (log( (gFieldStrengthAnt[i]/gEffBand) / ( par[0]*cos(tmpZenith+par[3])*(par[5]+sin(tmpBAngle+par[4]))*powf(10,par[2]*(gEg[i]-8))))  );
       //if(r0y[tcount] < -4 && r0x[tcount] > 50) cout << "E = " << gEg[i] << " --  i = " << i << endl;
开发者ID:lbaehren，项目名称:lofarsoft，代码行数:67，代码来源:FitParFieldStrength.cpp

示例8: IfitBin


//.........这里部分代码省略.........
  printf (" -------------------------------------------- \n");
  printf("Finished.  ierr = %d \n", ierflg);

  infoBin.clear();
  infoBin_err.clear();

  double para[NPARBIN+1],errpara[NPARBIN+1];
  if ( ierflg == 0 ) 
    {
      for(int j=0; j<=NPARBIN-1;j++) {
        gMinuit->GetParameter(j, para[j],errpara[j]);
        para[NPARBIN] = dataCollBin.size();
        infoBin.push_back(para[j]);
        infoBin_err.push_back(errpara[j]);
        printf("Parameter (yeild) %d = %f +- %f\n",j,para[j],errpara[j]);
	
      }
      printf(" fitted yield %2.3f \n", (para[0]+para[1])/ndata );
      infoBin.push_back(sigCollBin.size());

    }
  else {
    printf(" *********** Fit failed! ************\n");
    gMinuit->GetParameter(0, para[0],errpara[0]);
    gMinuit->GetParameter(1, para[1],errpara[1]);
    para[0]=0.; errpara[0]=0.;
  }

  
  // Print results
  Double_t amin,edm,errdef;
  Int_t nvpar,nparx,icstat;
  gMinuit->mnstat(amin,edm,errdef,nvpar,nparx,icstat);
  gMinuit->mnprin(1,amin);  
  gMinuit->mnmatu(1);
  printf(" ========= happy ending !? =========================== \n");
  
  printf("FCN =  %3.3f \n", amin);

  double yerr[20];
  for(int i=0;i<20;i++){
    yerr[i] = 0.;
  }

  hsig->Scale(para[0]);
  hbkg->Scale(para[1]);
  TH1F *hfit = (TH1F*)hsig->Clone();
  hfit->Add(hbkg);


  hsig->SetLineColor(1);
  hsig->SetFillColor(5);
  hsig->SetFillStyle(3001);

  hbkg->SetLineWidth(2);
  // plot
  c1->Draw();  
  //gPad->SetLogy();
  hdata->SetLineColor(1);
  hdata->SetNdivisions(505,"XY");
  hdata->SetXTitle("Iso_{ECAL}+Iso_{HCAL}+Iso_{TRK} (GeV)");
  hdata->SetYTitle("Entries");
  hdata->SetTitle("");
  hdata->SetMarkerStyle(8);
  hdata->SetMinimum(0.);
  hdata->SetMaximum(hdata->GetMaximum()*1.5);
开发者ID:ramankhurana，项目名称:usercode，代码行数:67，代码来源:ext-mL_fit.C


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