当前位置: 首页>>代码示例>>C++>>正文

C++ TMinuit::Migrad方法代码示例

本文整理汇总了C++中TMinuit::Migrad方法的典型用法代码示例。如果您正苦于以下问题：C++ TMinuit::Migrad方法的具体用法？C++ TMinuit::Migrad怎么用？C++ TMinuit::Migrad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::Migrad方法的11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: fit

vector<double> fit()
{
  vector<double> out(2*nbeta+1);
  
  TMinuit minu;
  //minu.SetPrintLevel(-1);
  minu.SetFCN(ch2);
  //set tolerance
  double tol=1e-16;
  int iflag;
  //minu.SetMaxIterations(10000000);
  //minu.mnexcm("SET ERR",&tol,1,iflag);
  
  for(int ib=0;ib<nbeta;ib++)
    {
      minu.DefineParameter(2*ib+0,"infi",1,0.001,0,0);
      minu.DefineParameter(2*ib+1,"coef",1,0.001,0,0);
    }
  minu.DefineParameter(2*nbeta,"M",0,0.001,0,0);
  
  minu.Migrad();
  
  double dum;
  for(int ib=0;ib<=2*nbeta;ib++) minu.GetParameter(ib,out[ib],dum);
  
  return out;
}
开发者ID:sunpho84，项目名称:sunpho，代码行数:27，代码来源:extr_corr_inflim.cpp

示例2: fit

void fit(boot &A,boot &B,boot &C,bvec &X,bvec &Y)
{
  //copy X
  X_fit=new double[nens];
  for(int iens=0;iens<nens;iens++) X_fit[iens]=X[iens].med();
  Y_fit=new double[nens];
  err_Y_fit=new double[nens];
  
  TMinuit minu;
  minu.SetPrintLevel(-1);
  
  minu.DefineParameter(0,"A",0.0,0.0001,0,0);
  minu.DefineParameter(1,"B",0.0,0.0001,0,0);
  minu.DefineParameter(2,"C",0.0,0.0001,0,0);
  
  minu.SetFCN(chi2_wr);
  
  double C2;
  for(int iboot=0;iboot<nboot+1;iboot++)
    {
      if(iboot>0)
        minu.SetPrintLevel(-1);
      
      minu.DefineParameter(3,"a380",lat[0][iboot],0.0001,0,0);
      minu.DefineParameter(4,"a390",lat[1][iboot],0.0001,0,0);
      minu.DefineParameter(5,"a405",lat[2][iboot],0.0001,0,0);
      minu.DefineParameter(6,"a420",lat[3][iboot],0.0001,0,0);
      minu.FixParameter(3);
      minu.FixParameter(4);
      minu.FixParameter(5);
      minu.FixParameter(6);
      
      for(int iens=0;iens<nens;iens++)
        {
          Y_fit[iens]=Y.data[iens].data[iboot];
          err_Y_fit[iens]=Y.data[iens].err();
        }
      
      //minimize
      minu.Migrad();
      
      //get back parameters
      double dum;
      minu.GetParameter(0,A.data[iboot],dum);
      minu.GetParameter(1,B.data[iboot],dum);
      minu.GetParameter(2,C.data[iboot],dum);
      
      double lat_med[4]={lat[0].med(),lat[1].med(),lat[2].med(),lat[3].med()};
      if(iboot==0) C2=chi2(A.data[iboot],B[iboot],C[iboot],lat_med);
    }
  
  //calculate the chi2
  cout<<"A = ("<<A<<"), B=("<<B<<"), C=("<<C<<")"<<endl;
  cout<<"Chi2 = "<<C2<<" / "<<nens-3<<" = "<<C2/(nens-3)<<endl;
  
  delete[] X_fit;
  delete[] Y_fit;
  delete[] err_Y_fit;
}
开发者ID:sunpho84，项目名称:sunpho，代码行数:59，代码来源:fD_with_gh.cpp

示例3: fit

void fit(boot &A,boot &B,boot &C,boot &D)
{
  //copy ml
  ml_fit=new double[nens];
  for(int iens=0;iens<nens;iens++) ml_fit[iens]=ml[iens].med();
  
  //alloc dM2Pi and dM2K
  dM2Pi_fit=new double[nens];
  err_dM2Pi_fit=new double[nens];
  dM2K_fit=new double[nens];
  err_dM2K_fit=new double[nens];
  
  TMinuit minu;
  minu.SetPrintLevel(-1);
  
  int npars=4;
  minu.DefineParameter(0,"A",0.0,0.0001,0,0);
  minu.DefineParameter(1,"B",0.0,0.0001,0,0);
  minu.DefineParameter(2,"C",0.0,0.0001,0,0);
  minu.DefineParameter(3,"D",0.0,0.0001,0,0);
  minu.SetFCN(chi2_wr);
  
  double C2;
  for(int iboot=0;iboot<nboot+1;iboot++)
    {
      if(iboot>0) minu.SetPrintLevel(-1);
      
      minu.DefineParameter(4,"a380",lat[0][iboot],0.0001,0,0);
      minu.DefineParameter(5,"a390",lat[1][iboot],0.0001,0,0);
      minu.DefineParameter(6,"a405",lat[2][iboot],0.0001,0,0);
      minu.DefineParameter(7,"a420",lat[3][iboot],0.0001,0,0);
      minu.FixParameter(4);
      minu.FixParameter(5);
      minu.FixParameter(6);
      minu.FixParameter(7);
      
      for(int iens=0;iens<nens;iens++)
        {
          dM2Pi_fit[iens]=dM2Pi.data[iens].data[iboot];
          err_dM2Pi_fit[iens]=dM2Pi.data[iens].err();
          dM2K_fit[iens]=dM2K.data[iens].data[iboot];
          err_dM2K_fit[iens]=dM2K.data[iens].err();
        }
      
      //minimize
      minu.Migrad();
      
      //get back parameters
      double dum;
      minu.GetParameter(0,A.data[iboot],dum);
      minu.GetParameter(1,B.data[iboot],dum);
      minu.GetParameter(2,C.data[iboot],dum);
      minu.GetParameter(3,D.data[iboot],dum);
      
      double lat_med[4]={lat[0].med(),lat[1].med(),lat[2].med(),lat[3].med()};
      if(iboot==nboot) C2=chi2(A.data[iboot],B[iboot],C[iboot],D[iboot],lat_med,true);
    }
  
  //calculate the chi2
  cout<<"A=("<<A<<"), B=("<<B<<"), C=("<<C<<"), D=("<<D<<")"<<endl;
  cout<<"Chi2 = "<<C2<<" / "<<2*nens-npars<<" = "<<C2/(2*nens-npars)<<endl;
  
  delete[] ml_fit;
  delete[] dM2Pi_fit;
  delete[] err_dM2Pi_fit;
  delete[] dM2K_fit;
  delete[] err_dM2K_fit;
}
开发者ID:sunpho84，项目名称:sunpho，代码行数:68，代码来源:extr_deltaM2.cpp

示例4: parab_fit

void parab_fit(double ch2,jack &a,jack &b,jack &c,double *X,jvec Y,const char *path,bool fl_parab=1)
{
  ofstream out(path);
  out<<"@type xydy\n";
  
  double MX=0;
  //copy X
  nc_fit=Y.nel;
  X_fit=new double[nc_fit];
  for(int iel=0;iel<nc_fit;iel++)
    if(use[iel])
    {
      X_fit[iel]=X[iel];
      out<<X[iel]<<" "<<Y[iel]<<endl;
      if(X[iel]>MX) MX=X[iel];
    }
  Y_fit=new double[nc_fit];
  err_Y_fit=new double[nc_fit];
  
  TMinuit minu;
  minu.SetPrintLevel(0);
  
  int npars=3;
  minu.DefineParameter(0,"A",0.0,0.0001,0,0);
  minu.DefineParameter(1,"B",0.0,0.0001,0,0);
  minu.DefineParameter(2,"C",0.0,0.0001,0,0);
  if(!fl_parab)
    {
      minu.FixParameter(0);
      npars--;
    }
  minu.SetFCN(chi2_wr);
  
  for(int ijack=0;ijack<=njack;ijack++)
    {
      minu.DefineParameter(2,"C",fixed_A[ijack],0.0001,0,0);
      minu.FixParameter(2);
      if(ijack>0)
        minu.SetPrintLevel(-1);
      
      for(int iel=0;iel<nc_fit;iel++)
        {
          Y_fit[iel]=Y.data[iel].data[ijack];
          err_Y_fit[iel]=Y[iel].err();
        }
      
      //minimize
      minu.Migrad();
      
      //get back parameters
      double dum;
      minu.GetParameter(0,a.data[ijack],dum);
      minu.GetParameter(1,b.data[ijack],dum);
      minu.GetParameter(2,c.data[ijack],dum);
    }
  
  out<<"&\[email protected] xy\n";
  for(double t=0;t<MX;t+=MX/100)
    out<<t<<" "<<parab(a[njack],b[njack],c[njack],t)<<endl;
  
  out.close();
}
开发者ID:sunpho84，项目名称:sunpho，代码行数:62，代码来源:disp_rel.cpp

示例5: runAngleOpt

void runAngleOpt() {

  gSystem->AddIncludePath("-I${ANITA_UTIL_INSTALL_DIR}/include");

  double startVal=0;               
  double stepSize=0.1;       
  double minVal=-2;           
  double maxVal=2;            
  Double_t p0 = 0;

  //Load libraries. Need to have ANITA_UTIL_INSTALL_DIR/lib and ROOTSYS/lib in the LD_LIBRARY_PATH               
  gSystem->Load("libfftw3.so");
  gSystem->Load("libMathMore.so");
  gSystem->Load("libPhysics.so");  
  gSystem->Load("libGeom.so");  
  gSystem->Load("libMinuit.so");  
  gSystem->Load("libRootFftwWrapper.so");         
  gSystem->Load("libAnitaEvent.so");      
  gSystem->Load("libAnitaCorrelator.so");

  AnitaGeomTool *fGeomTool = AnitaGeomTool::Instance();
  gSystem->CompileMacro("anglePlotterOpt.C","k");
  
  Double_t relDeltaOut=0;

  TMinuit *myMin = new TMinuit(1);
  myMin->SetObjectFit(anglePlotterOpt);
  myMin->SetFCN(iHateRoot);
  //setArray();

  for(int u = 0; u < 1; u++){

    int middle = 16;

      for(int y = 16; y <32; y++){

	int leftOpt, rightOpt;
	fGeomTool->getThetaPartners(middle,leftOpt,rightOpt); 


	myMin->DefineParameter(0, "antNum", middle, stepSize, minVal, maxVal);
	myMin->FixParameter(0);  
    
	myMin->DefineParameter(1, "deltaT", startVal, stepSize, minVal, maxVal);

  
	Double_t deltaT,deltaTErr;
  
	//*********MINUIT METHOD*******************
	myMin->SetPrintLevel(-1);
	myMin->Migrad();   
	myMin->GetParameter(1,deltaT,deltaTErr);

  

	setValue(rightOpt,deltaT);

	//	printArray();

	//	cout << middle << "  " << rightOpt << "  " << deltaT << endl;
  
	cout << "deltaTArrayMod[" << rightOpt << "] = " << deltaT << ";" << endl;

	middle = rightOpt;

      }

  }

  
  //   myMin->DeleteArrays();

  //   myMin->DeleteArrays();

  
}
开发者ID:anitaNeutrino，项目名称:anitaEventCorrelator，代码行数:76，代码来源:runAngleOpt.C

示例6: runTopRingOpt

void runTopRingOpt() {

  gSystem->AddIncludePath("-I${ANITA_UTIL_INSTALL_DIR}/include");

  double startVal=0;               
  double stepSize=0.1;       
  double minVal=-0.5;           
  double maxVal=0.5;            
  Double_t p0 = 0;

  //Load libraries. Need to have ANITA_UTIL_INSTALL_DIR/lib and ROOTSYS/lib in the LD_LIBRARY_PATH               
  gSystem->Load("libfftw3.so");
  gSystem->Load("libMathMore.so");
  gSystem->Load("libPhysics.so");  
  gSystem->Load("libGeom.so");  
  gSystem->Load("libMinuit.so");  
  gSystem->Load("libRootFftwWrapper.so");         
  gSystem->Load("libAnitaEvent.so");      
  gSystem->Load("libAnitaCorrelator.so");

  AnitaGeomTool *fGeomTool = AnitaGeomTool::Instance();
  gSystem->CompileMacro("topRingOpt.C","k");
  
  Double_t relDeltaOut=0;

  TMinuit *myMin = new TMinuit(150);
  myMin->SetObjectFit(topRingOpt);
  myMin->SetFCN(iHateRoot);
  //setArray();

  double startValDeltaT[16] ={0};
  double startValR[16] ={0};
  double startValPhi[16] ={0};

 //    startValDeltaT[0] =  -0.0519515;     startValR[0] =   -0.0101463;         startValPhi[0] =      -0.00473836 ;   
//     startValDeltaT[1] =     -0.0597062;   startValR[1] =      -0.02577;       startValPhi[1] =   0.00864501 ; 
//     startValDeltaT[2] =     -0.081435;     startValR[2] =     -0.000224044;    startValPhi[2] =   -0.000630649;
//     startValDeltaT[3] =     0.0118873;     startValR[3] =      0.019945;       startValPhi[3] =    0.014016;   
//     startValDeltaT[4] =      0.017917;      startValR[4] =     -0.00297559;    startValPhi[4] =    0.0224936 ;
//     startValDeltaT[5] =      0.0377119;     startValR[5] =     -0.014872;       startValPhi[5] =   0.0163349; 
//     startValDeltaT[6] =     -0.0426158;     startValR[6] =    -0.0562555;      startValPhi[6] =    0.0220065 ; 
//     startValDeltaT[7] =     -0.0221673;     startValR[7] =    -0.034104 ;      startValPhi[7] =    0.0158545 ; 
//     startValDeltaT[8] =      0.0263739;     startValR[8] =     0.00248804;      startValPhi[8] =    0.013246 ; 
//     startValDeltaT[9] =      -0.0938419;    startValR[9] =     -0.00344703;     startValPhi[9] =    -0.00718616; 
//     startValDeltaT[10] =      0.145264;      startValR[10] =     -0.0121874 ;     startValPhi[10] =     0.0156988 ;  
//     startValDeltaT[11] =      0.118105;      startValR[11] =     -0.0337033 ;      startValPhi[11] =   -0.00324182 ;
//     startValDeltaT[12] =      0.321805;      startValR[12] =     0.0134362  ;      startValPhi[12] =   -0.00190277 ;
//     startValDeltaT[13] =      0.0197693;     startValR[13] =     -0.000656063;      startValPhi[13] =   -0.0162318  ;
//     startValDeltaT[14] =      -0.115263;     startValR[14] =     0.0495637   ;      startValPhi[14] =   -0.0198119 ; 
//     startValDeltaT[15] =      -0.255707;   startValR[15] =     0.00189892  ;     startValPhi[15] =     0.0383932  ;
    


 for(int y = 0; y <16; y++){

   ofstream newfile("newSimonNumbers.txt");

   char name[30];
   sprintf(name,"r%d",y);
	myMin->DefineParameter(y, name, startValR[y], stepSize, minVal, maxVal);
   sprintf(name,"z%d",y);
	myMin->DefineParameter(y+16, name, startValDeltaT[y], stepSize, minVal, maxVal);
	   sprintf(name,"phi%d",y);
	myMin->DefineParameter(y+32, name, startValPhi[y], stepSize, minVal, maxVal);
 }


  
	Double_t deltaR[32],deltaRErr[32];
	Double_t deltaZ[32],deltaZErr[32];
	Double_t deltaPhi[32],deltaPhiErr[32];
  
	//*********MINUIT METHOD*******************
	myMin->SetPrintLevel(-1);
	myMin->Migrad();   

	for(int u = 0; u <16; u++){
	  myMin->GetParameter(u,deltaR[u],deltaRErr[u]);
	  //cout << "deltaR[" << u << "] = " << deltaR[u] ;
	
	
	  myMin->GetParameter(u+16,deltaZ[u],deltaZErr[u]);
	  //cout << " deltaZ[" << u << "] = " << deltaZ[u] ;
	
	  myMin->GetParameter(u+32,deltaPhi[u],deltaPhiErr[u]);
	  //cout << " deltaPhi[" << u << "] = " << deltaPhi[u] << ";" << endl;

	  newfile << u << "  " << deltaZ[u]<< "  " << deltaR[u]<< "  " << deltaPhi[u]<< "  " << 0 << endl;


	}


  
}
开发者ID:anitaNeutrino，项目名称:anitaEventCorrelator，代码行数:95，代码来源:runTopRingOpt.C

示例7: testZeeMCSmearWithScale


//.........这里部分代码省略.........
    minuit->FixParameter(0);
    minuit->FixParameter(1);
    minuit->FixParameter(3);

    minuit->FixParameter(4);
    minuit->FixParameter(5);
    minuit->FixParameter(7);

  } else if( testpaircat==3){
    minuit->FixParameter(0);
    minuit->FixParameter(1);
    minuit->FixParameter(2);

    minuit->FixParameter(4);
    minuit->FixParameter(5);
    minuit->FixParameter(6);
    
  }  
  
  arglist[0] = 0.0001;
  minuit->mnexcm("SET EPS",arglist,1,ierflg);
  
  //minuit->mnsimp();
  ////arglist[0] = 1; 
  ///minuit->mnexcm("SET STR",arglist,1,ierflg);
  //minuit->mnexcm("MIGRAD", arglist ,1,ierflg);
  
  arglist[0] = fitstra; 
  minuit->mnexcm("SET STR",arglist,1,ierflg);

  bool dofit = true; 
  
  if( dofit){
    minuit->Migrad();
    if (!minuit->fCstatu.Contains("CONVERGED")) {
      mcfitStatus = 1; //first try not converged.
      minuit->Migrad();
    }else{
      mcfitStatus = 0;
      
    }
  }
    
  double ftest[1000]; 

  double atest[1000];
  
  //minuit->GetParameter(0,fitpar[0],fitparErr[0]);

  if (!minuit->fCstatu.Contains("CONVERGED")) {
    printf("No convergence at fitting, routine Fit \n");
    printf("Minuit return string: %s \n",minuit->fCstatu.Data());
    mcfitStatus = 2;  //2nd try not converged.
  }else{
    mcfitStatus = -1;
  }
  fAmin = minuit->fAmin;

  for(int j=0; j<npar; j++){
    minuit->GetParameter(j,fitpar[j],fitparErr[j]);
    mcfitpar[j] = fitpar[j];
    mcfitparErr[j] = fitparErr[j];
  }
  
  
  double par[10];
开发者ID:sixie，项目名称:CITHZZ，代码行数:67，代码来源:testZeeMCSmearWithScale.C

示例8: runQuickOptAllAntFixedZ

void runQuickOptAllAntFixedZ() {
  
  gSystem->AddIncludePath("-I${ANITA_UTIL_INSTALL_DIR}/include");
  
  double startVal=0;               
  double stepSize=0.05;       
  double minVal=-0.5;           
  double maxVal=0.5;            
  Double_t p0 = 0;

  //Load libraries. Need to have ANITA_UTIL_INSTALL_DIR/lib and ROOTSYS/lib in the LD_LIBRARY_PATH               
  gSystem->Load("libfftw3.so");
  gSystem->Load("libMathMore.so");
  gSystem->Load("libPhysics.so");  
  gSystem->Load("libGeom.so");  
  gSystem->Load("libMinuit.so");  
  gSystem->Load("libRootFftwWrapper.so");         
  gSystem->Load("libAnitaEvent.so");      
  gSystem->Load("libAnitaCorrelator.so");

  AnitaGeomTool *fGeomTool = AnitaGeomTool::Instance();
  gSystem->CompileMacro("quickOptAllAntFixedZ.C","k");

  fillArrays(eventNumberIndex, thetaWaveIndex, phiWaveIndex, antIndex1, antIndex2, maxCorrTimeIndex, adjacent);
  
  Double_t relDeltaOut=0;

  TMinuit *myMin = new TMinuit(192);
  myMin->SetObjectFit(quickOptAllAntFixedZ);
  myMin->SetFCN(iHateRoot);
//   myMin->SetMaxIterations(2);
  //myMin->SetErrorDef(1000);

//   int ierflg;
//   double eps[1] = {2.};
//   myMin->mnexcm("SET EPS", eps, 1, ierflg);
  //setArray();

  double startValR[MAX_ANTENNAS] ={0};
  double startValZ[MAX_ANTENNAS] ={0};
  double startValPhi[MAX_ANTENNAS] ={0};
  double startValCableDelays[MAX_ANTENNAS] ={0};
  
  
  for(int y = 0; y <MAX_ANTENNAS; y++){
    
    char name[30];
    sprintf(name,"r%d",y);
    myMin->DefineParameter(y, name, startValR[y], stepSize, -0.1, 0.1);
    sprintf(name,"z%d",y);
    myMin->DefineParameter(y+MAX_ANTENNAS, name, startValZ[y], stepSize, -0.1, 0.1);
    myMin->FixParameter(y+MAX_ANTENNAS);
    sprintf(name,"phi%d",y);
    myMin->DefineParameter(y+MAX_ANTENNAS*2, name, startValPhi[y], stepSize, -0.1, 0.1);
    sprintf(name,"cable%d",y);
    myMin->DefineParameter(y+MAX_ANTENNAS*3, name, startValCableDelays[y], stepSize, -0.5, 0.5);
  }
  
  
  
  Double_t deltaR[MAX_ANTENNAS],deltaRErr[MAX_ANTENNAS];
  Double_t deltaZ[MAX_ANTENNAS],deltaZErr[MAX_ANTENNAS];
  Double_t deltaPhi[MAX_ANTENNAS],deltaPhiErr[MAX_ANTENNAS];
  Double_t deltaCableDelays[MAX_ANTENNAS],deltaCableDelaysErr[MAX_ANTENNAS];
  
  //*********MINUIT METHOD*******************
//   myMin->SetPrintLevel(-1);
  myMin->Migrad();
  //  int error_flag;
  //  myMin->mnexcm("MINOS",0,0,error_flag);  

  ofstream newfile("newLindaNumbersCableDelays_ALLANTENNAS_RMS_GRAD_FixedZ.txt");
  for(int u = 0; u <MAX_ANTENNAS; u++){
    myMin->GetParameter(u,deltaR[u],deltaRErr[u]);
    cout << "deltaR[" << u << "] = " << deltaR[u] << " +/- " << deltaRErr[u] << endl;
	
    
    myMin->GetParameter(u+MAX_ANTENNAS,deltaZ[u],deltaZErr[u]);
    cout << " deltaZ[" << u << "] = " << deltaZ[u] << " +/- " << deltaZErr[u] << endl;
    
    myMin->GetParameter(u+MAX_ANTENNAS*2,deltaPhi[u],deltaPhiErr[u]);
    cout << " deltaPhi[" << u << "] = " << deltaPhi[u] << " +/- " << deltaPhiErr[u] << endl;

    myMin->GetParameter(u+MAX_ANTENNAS*3,deltaCableDelays[u],deltaCableDelaysErr[u]);
    cout << " deltaCableDelays[" << u << "] = " << deltaCableDelays[u]  << " +/- " << deltaCableDelaysErr[u] << endl;
    
    newfile << u << "  " << deltaR[u]<< "  " << deltaZ[u]<< "  " << deltaPhi[u]<< "  " << deltaCableDelays[u] << endl;


  }
  
  
  cout << "Easy table" << endl;
  for(int u = 0; u <MAX_ANTENNAS; u++)  cout << u << " & " << deltaR[u]<< " & " << deltaZ[u]<< " & " << deltaPhi[u]<< " & " << deltaCableDelays[u] << endl;

  
}
开发者ID:strutt，项目名称:antennaPositionCalib，代码行数:97，代码来源:runQuickOptAllAntFixedZ.C

示例9: testEnergySmearZee


//.........这里部分代码省略.........
  }
  
  for(int j=4; j<npar; j++){
    TString parname = TString (Form("scalecat%d",j-4));
    minuit->mnparm(j, parname, deltaEcat[j-4], STEPMN, -0.03,0.03,ierflg);
    fitpar[j] = deltaEcat[j-4]; //initialized values
  }

  if(fixscale==1){
    for(int j=4; j<npar; j++){
      minuit->FixParameter(j);
    }
  }

  int testpaircat = testcat; 
  
  if(testpaircat==1){
    minuit->FixParameter(0);
    minuit->FixParameter(2);
    minuit->FixParameter(3);

    minuit->FixParameter(4);
    minuit->FixParameter(6);
    minuit->FixParameter(7);

  }else if( testpaircat==0){
    minuit->FixParameter(1);
    minuit->FixParameter(2);
    minuit->FixParameter(3);

    minuit->FixParameter(5);
    minuit->FixParameter(6);
    minuit->FixParameter(7);

  } else if( testpaircat==2){
    minuit->FixParameter(0);
    minuit->FixParameter(1);
    minuit->FixParameter(3);

    minuit->FixParameter(4);
    minuit->FixParameter(5);
    minuit->FixParameter(7);

  } else if( testpaircat==3){
    minuit->FixParameter(0);
    minuit->FixParameter(1);
    minuit->FixParameter(2);

    minuit->FixParameter(4);
    minuit->FixParameter(5);
    minuit->FixParameter(6);
    
  }  
  
  arglist[0] = 0.0001;
  minuit->mnexcm("SET EPS",arglist,1,ierflg);
  
  arglist[0] = 1; 
  minuit->mnexcm("SET STR",arglist,1,ierflg);
  
  bool dofit = true; 
  
  if( dofit){
    minuit->Migrad();
    if (!minuit->fCstatu.Contains("CONVERGED")) {
      mcfitStatus = 1; //first try not converged.
      minuit->Migrad();
    }else{
      mcfitStatus = 0;
      
    }
    //minuit->mnmnos();
  }
  
  if (!minuit->fCstatu.Contains("CONVERGED")) {
    printf("No convergence at fitting, routine Fit \n");
    printf("Minuit return string: %s \n",minuit->fCstatu.Data());
    mcfitStatus = 2;  //2nd try not converged.
  }else{
    mcfitStatus = -1;
  }
  fAmin = minuit->fAmin;

  for(int j=0; j<npar; j++){
    minuit->GetParameter(j,fitpar[j],fitparErr[j]);
    mcfitpar[j] = fitpar[j];
    mcfitparErr[j] = fitparErr[j];
  }
  
  
  
  
  mytree->Fill();
  mytree->Write();
  fnew->Write();
  fnew->Close();

  
  
}
开发者ID:sixie，项目名称:CITHZZ，代码行数:101，代码来源:testEnergySmearZee.C

示例10: runQuickOptAllAntStepsLDBHPOL

void runQuickOptAllAntStepsLDBHPOL() {
  
  gSystem->AddIncludePath("-I${ANITA_UTIL_INSTALL_DIR}/include");
  
  double startVal=0;               
  double stepSize=0.01;       
  double minVal=-0.5;           
  double maxVal=0.5;            
  Double_t p0 = 0;

  //Load libraries. Need to have ANITA_UTIL_INSTALL_DIR/lib and ROOTSYS/lib in the LD_LIBRARY_PATH               
  gSystem->Load("libfftw3.so");
  gSystem->Load("libMathMore.so");
  gSystem->Load("libPhysics.so");  
  gSystem->Load("libGeom.so");  
  gSystem->Load("libMinuit.so");  
  gSystem->Load("libRootFftwWrapper.so");         
  gSystem->Load("libAnitaEvent.so");      
  gSystem->Load("libAnitaCorrelator.so");

  AnitaGeomTool *fGeomTool = AnitaGeomTool::Instance();
  fGeomTool->useKurtAnita3Numbers(1);
  gSystem->CompileMacro("quickOptAllAntStepsLDBHPOL.C","k");

  fillArrays(eventNumberIndex, thetaWaveIndex, phiWaveIndex, antIndex1, antIndex2, maxCorrTimeIndex, adjacent);
  
  Double_t relDeltaOut=0;

  TMinuit *myMin = new TMinuit(192);
  myMin->SetObjectFit(quickOptAllAntStepsLDBHPOL);
  myMin->SetFCN(iHateRoot);
 //   myMin->SetMaxIterations(2);
  //myMin->SetErrorDef(1000);

//   int ierflg;
//   double eps[1] = {2.};
//   myMin->mnexcm("SET EPS", eps, 1, ierflg);
  //setArray();

  double minValCableDelays[MAX_ANTENNAS] ={0};
  double maxValCableDelays[MAX_ANTENNAS] ={0};

  Double_t deltaR[MAX_ANTENNAS] = {0};
  Double_t deltaRErr[MAX_ANTENNAS] = {0};
  Double_t deltaZ[MAX_ANTENNAS] = {0};
  Double_t deltaZErr[MAX_ANTENNAS] = {0};
  Double_t deltaPhi[MAX_ANTENNAS] = {0};
  Double_t deltaPhiErr[MAX_ANTENNAS] = {0};
  Double_t deltaCableDelays[MAX_ANTENNAS] = {0};
  Double_t deltaCableDelaysErr[MAX_ANTENNAS] = {0};

  //  Double_t globalDeltaz = 0.242575;
  Double_t globalDeltaz = 0.03;
  
  //Min global   deltaZ[] = -0.242575 +/- 0.00198264

  for(int y = 0; y <MAX_ANTENNAS; y++){
 
    deltaR[y] = 0;//-0.05;
    deltaCableDelays[y] = 0. - (y==47)*0.35;
    minValCableDelays[y] = deltaCableDelays[y] - 0.15;
    maxValCableDelays[y] = deltaCableDelays[y] + 0.15;
    deltaZ[y] = 0;//(y<16)*(-globalDeltaz) + (y>15)*globalDeltaz;

    char name[30];
    sprintf(name,"r%d",y);
    myMin->DefineParameter(y, name, deltaR[y], stepSize, -0.3, 0.3);
    sprintf(name,"z%d",y);
    myMin->DefineParameter(y+MAX_ANTENNAS, name, deltaZ[y], stepSize, -0.3, 0.3);
    sprintf(name,"phi%d",y);
    myMin->DefineParameter(y+MAX_ANTENNAS*2, name, deltaPhi[y], stepSize, -0.3, 0.3);
    sprintf(name,"cable%d",y);
    myMin->DefineParameter(y+MAX_ANTENNAS*3, name, deltaCableDelays[y], stepSize, minValCableDelays[y], maxValCableDelays[y]);
  }



  for(int y = 0; y <MAX_ANTENNAS; y++){
    myMin->FixParameter(y); // fixed R 
    myMin->FixParameter(y+MAX_ANTENNAS); // fixed Z
    myMin->FixParameter(y+MAX_ANTENNAS*2); // fixed phi
    //    myMin->FixParameter(y+MAX_ANTENNAS*3); // fixed t

  }

  myMin->FixParameter(MAX_ANTENNAS*3); // fixed t0

  //*********MINUIT METHOD*******************
//   myMin->SetPrintLevel(-1);
  myMin->Migrad();
  //  int error_flag;
  //  myMin->mnexcm("MINOS",0,0,error_flag);  



  for(int u = 0; u <MAX_ANTENNAS; u++){
    myMin->GetParameter(u+MAX_ANTENNAS*3,deltaCableDelays[u],deltaCableDelaysErr[u]);
    cout << " deltaCableDelays[" << u << "] = " << deltaCableDelays[u]  << " +/- " << deltaCableDelaysErr[u] << endl;

    //    myMin->GetParameter(u+MAX_ANTENNAS,deltaZ[u],deltaZErr[u]);
//.........这里部分代码省略.........
开发者ID:strutt，项目名称:antennaPositionCalib，代码行数:101，代码来源:runQuickOptAllAntStepsLDBHPOL.C

示例11: fit

void fit(boot &A,boot &B,boot &C,boot &D,bvec &X,bvec &Y)
{
  //copy X
  X_fit=new double[nens];
  for(int iens=0;iens<nens;iens++) X_fit[iens]=X[iens].med();
  Y_fit=new double[nens];
  err_Y_fit=new double[nens];
  
  TMinuit minu;
  minu.SetPrintLevel(-1);
  
  int npars=4;
  minu.DefineParameter(0,"A",0.0,0.0001,0,0);
  minu.DefineParameter(1,"B",0.0,0.0001,0,0);
  minu.DefineParameter(2,"C",0.0,0.0001,0,0);
  minu.DefineParameter(3,"D",0.0,0.0001,0,0);
  if(!include_a4)
    {
      minu.FixParameter(3);
      npars--;
    }
  if(!include_ml_term)
    {
      minu.FixParameter(1);
      npars--;
    }
  minu.SetFCN(chi2_wr);
  
  double C2;
  for(int iboot=0;iboot<nboot+1;iboot++)
    {
      if(iboot>0)
        minu.SetPrintLevel(-1);
      
      minu.DefineParameter(4,"a380",lat[0][iboot],0.0001,0,0);
      minu.DefineParameter(5,"a390",lat[1][iboot],0.0001,0,0);
      minu.DefineParameter(6,"a405",lat[2][iboot],0.0001,0,0);
      minu.DefineParameter(7,"a420",lat[3][iboot],0.0001,0,0);
      minu.FixParameter(4);
      minu.FixParameter(5);
      minu.FixParameter(6);
      minu.FixParameter(7);
      
      for(int iens=0;iens<nens;iens++)
        {
          Y_fit[iens]=Y.data[iens].data[iboot];
          err_Y_fit[iens]=Y.data[iens].err();
        }
      
      //minimize
      minu.Migrad();
      
      //get back parameters
      double dum;
      minu.GetParameter(0,A.data[iboot],dum);
      minu.GetParameter(1,B.data[iboot],dum);
      minu.GetParameter(2,C.data[iboot],dum);
      minu.GetParameter(3,D.data[iboot],dum);
      
      double lat_med[4]={lat[0].med(),lat[1].med(),lat[2].med(),lat[3].med()};
      if(iboot==nboot)
        {
          contr_flag=1;
          C2=chi2(A.data[iboot],B[iboot],C[iboot],D[iboot],lat_med);
          contr_flag=0;
        }
    }
  
  int ninc_ens=0;
  for(int iens=0;iens<nens;iens++)
    if(ibeta[iens]!=0 || include_380) ninc_ens++;
  
  //calculate the chi2
  cout<<"A=("<<A<<"), B=("<<B<<"), C=("<<C<<"), D=("<<D<<")"<<endl;
  cout<<"Chi2 = "<<C2<<" / "<<ninc_ens-npars<<" = "<<C2/(ninc_ens-npars)<<endl;
  
  delete[] X_fit;
  delete[] Y_fit;
  delete[] err_Y_fit;
}
开发者ID:sunpho84，项目名称:sunpho，代码行数:80，代码来源:extr_adim.cpp


注：本文中的TMinuit::Migrad方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。