class TMVA::MinuitWrapper: public TMinuit


 Wrapper around MINUIT

Function Members (Methods)

public:

virtual	~MinuitWrapper()
void	TObject::AbstractMethod(const char* method) const
virtual void	TObject::AppendPad(Option_t* option = "")
virtual void	TObject::Browse(TBrowser* b)
virtual void	TMinuit::BuildArrays(Int_t maxpar = 15)
static TClass*	Class()
virtual const char*	TObject::ClassName() const
virtual void	Clear(Option_t* = 0)
virtual TObject*	Clone(const char*) const
virtual Int_t	TMinuit::Command(const char* command)
virtual Int_t	TNamed::Compare(const TObject* obj) const
virtual TObject*	TMinuit::Contour(Int_t npoints = 10, Int_t pa1 = 0, Int_t pa2 = 1)
virtual void	TNamed::Copy(TObject& named) const
virtual Int_t	TMinuit::DefineParameter(Int_t parNo, const char* name, Double_t initVal, Double_t initErr, Double_t lowerLimit, Double_t upperLimit)
virtual void	TObject::Delete(Option_t* option = "")MENU
virtual void	TMinuit::DeleteArrays()
virtual Int_t	TObject::DistancetoPrimitive(Int_t px, Int_t py)
virtual void	TObject::Draw(Option_t* option = "")
virtual void	TObject::DrawClass() constMENU
virtual TObject*	TObject::DrawClone(Option_t* option = "") constMENU
virtual void	TObject::Dump() constMENU
virtual void	TObject::Error(const char* method, const char* msgfmt) const
virtual Int_t	Eval(Int_t, Double_t, Double_t&, Double_t, Int_t)
virtual void	TObject::Execute(const char* method, const char* params, Int_t* error = 0)
virtual void	TObject::Execute(TMethod* method, TObjArray* params, Int_t* error = 0)
Int_t	ExecuteCommand(const char* command, Double_t* args, Int_t nargs)
virtual void	TObject::ExecuteEvent(Int_t event, Int_t px, Int_t py)
virtual void	TObject::Fatal(const char* method, const char* msgfmt) const
virtual void	TNamed::FillBuffer(char*& buffer)
virtual TObject*	TObject::FindObject(const char* name) const
virtual TObject*	TObject::FindObject(const TObject* obj) const
virtual Int_t	TMinuit::FixParameter(Int_t parNo)
virtual Option_t*	TObject::GetDrawOption() const
static Long_t	TObject::GetDtorOnly()
Int_t	GetErrors(Int_t ipar, Double_t& eplus, Double_t& eminus, Double_t& eparab, Double_t& globcc)
virtual const char*	TObject::GetIconName() const
Int_t	TMinuit::GetMaxIterations() const
TMethodCall*	TMinuit::GetMethodCall() const
virtual const char*	TNamed::GetName() const
virtual Int_t	TMinuit::GetNumFixedPars() const
virtual Int_t	TMinuit::GetNumFreePars() const
virtual Int_t	TMinuit::GetNumPars() const
TObject*	TMinuit::GetObjectFit() const
virtual char*	TObject::GetObjectInfo(Int_t px, Int_t py) const
static Bool_t	TObject::GetObjectStat()
virtual Option_t*	TObject::GetOption() const
virtual Int_t	TMinuit::GetParameter(Int_t parNo, Double_t& currentValue, Double_t& currentError) const
virtual TObject*	TMinuit::GetPlot() const
Int_t	GetStats(Double_t& amin, Double_t& edm, Double_t& errdef, Int_t& nvpar, Int_t& nparx)
Int_t	TMinuit::GetStatus() const
virtual const char*	TNamed::GetTitle() const
virtual UInt_t	TObject::GetUniqueID() const
virtual Bool_t	TObject::HandleTimer(TTimer* timer)
virtual ULong_t	TNamed::Hash() const
virtual void	TObject::Info(const char* method, const char* msgfmt) const
virtual Bool_t	TObject::InheritsFrom(const char* classname) const
virtual Bool_t	TObject::InheritsFrom(const TClass* cl) const
virtual void	TObject::Inspect() constMENU
void	TObject::InvertBit(UInt_t f)
virtual TClass*	IsA() const
virtual Bool_t	TObject::IsEqual(const TObject* obj) const
virtual Bool_t	TObject::IsFolder() const
Bool_t	TObject::IsOnHeap() const
virtual Bool_t	TNamed::IsSortable() const
Bool_t	TObject::IsZombie() const
virtual void	TNamed::ls(Option_t* option = "") const
void	TObject::MayNotUse(const char* method) const
virtual Int_t	TMinuit::Migrad()
TMVA::MinuitWrapper	MinuitWrapper(TMVA::IFitterTarget& target, Int_t maxpar)
virtual void	TMinuit::mnamin()
virtual void	TMinuit::mnbins(Double_t a1, Double_t a2, Int_t naa, Double_t& bl, Double_t& bh, Int_t& nb, Double_t& bwid)
virtual void	TMinuit::mncalf(Double_t* pvec, Double_t& ycalf)
virtual void	TMinuit::mncler()
virtual void	TMinuit::mncntr(Int_t ke1, Int_t ke2, Int_t& ierrf)
virtual void	TMinuit::mncomd(const char* crdbin, Int_t& icondn)
virtual void	TMinuit::mncont(Int_t ke1, Int_t ke2, Int_t nptu, Double_t* xptu, Double_t* yptu, Int_t& ierrf)
virtual void	TMinuit::mncrck(TString crdbuf, Int_t maxcwd, TString& comand, Int_t& lnc, Int_t mxp, Double_t* plist, Int_t& llist, Int_t& ierr, Int_t isyswr)
virtual void	TMinuit::mncros(Double_t& aopt, Int_t& iercr)
virtual void	TMinuit::mncuve()
virtual void	TMinuit::mnderi()
virtual void	TMinuit::mndxdi(Double_t pint, Int_t ipar, Double_t& dxdi)
virtual void	TMinuit::mneig(Double_t* a, Int_t ndima, Int_t n, Int_t mits, Double_t* work, Double_t precis, Int_t& ifault)
virtual void	TMinuit::mnemat(Double_t* emat, Int_t ndim)
virtual void	TMinuit::mnerrs(Int_t number, Double_t& eplus, Double_t& eminus, Double_t& eparab, Double_t& gcc)
virtual void	TMinuit::mneval(Double_t anext, Double_t& fnext, Int_t& ierev)
virtual void	TMinuit::mnexcm(const char* comand, Double_t* plist, Int_t llist, Int_t& ierflg)
virtual void	TMinuit::mnexin(Double_t* pint)
virtual void	TMinuit::mnfixp(Int_t iint, Int_t& ierr)
virtual void	TMinuit::mnfree(Int_t k)
virtual void	TMinuit::mngrad()
virtual void	TMinuit::mnhelp(TString comd)
virtual void	TMinuit::mnhelp(const char* command = "")
virtual void	TMinuit::mnhes1()
virtual void	TMinuit::mnhess()
virtual void	TMinuit::mnimpr()
virtual void	TMinuit::mninex(Double_t* pint)
virtual void	TMinuit::mninit(Int_t i1, Int_t i2, Int_t i3)
virtual void	TMinuit::mnlims()
virtual void	TMinuit::mnline(Double_t* start, Double_t fstart, Double_t* step, Double_t slope, Double_t toler)
virtual void	TMinuit::mnmatu(Int_t kode)
virtual void	TMinuit::mnmigr()
virtual void	TMinuit::mnmnos()
virtual void	TMinuit::mnmnot(Int_t ilax, Int_t ilax2, Double_t& val2pl, Double_t& val2mi)
virtual void	TMinuit::mnparm(Int_t k, TString cnamj, Double_t uk, Double_t wk, Double_t a, Double_t b, Int_t& ierflg)
virtual void	TMinuit::mnpars(TString& crdbuf, Int_t& icondn)
virtual void	TMinuit::mnpfit(Double_t* parx2p, Double_t* pary2p, Int_t npar2p, Double_t* coef2p, Double_t& sdev2p)
virtual void	TMinuit::mnpint(Double_t& pexti, Int_t i, Double_t& pinti)
virtual void	TMinuit::mnplot(Double_t* xpt, Double_t* ypt, char* chpt, Int_t nxypt, Int_t npagwd, Int_t npagln)
virtual void	TMinuit::mnpout(Int_t iuext, TString& chnam, Double_t& val, Double_t& err, Double_t& xlolim, Double_t& xuplim, Int_t& iuint) const
virtual void	TMinuit::mnprin(Int_t inkode, Double_t fval)
virtual void	TMinuit::mnpsdf()
virtual void	TMinuit::mnrazz(Double_t ynew, Double_t* pnew, Double_t* y, Int_t& jh, Int_t& jl)
virtual void	TMinuit::mnrn15(Double_t& val, Int_t& inseed)
virtual void	TMinuit::mnrset(Int_t iopt)
virtual void	TMinuit::mnsave()
virtual void	TMinuit::mnscan()
virtual void	TMinuit::mnseek()
virtual void	TMinuit::mnset()
virtual void	TMinuit::mnsimp()
virtual void	TMinuit::mnstat(Double_t& fmin, Double_t& fedm, Double_t& errdef, Int_t& npari, Int_t& nparx, Int_t& istat)
virtual void	TMinuit::mntiny(Double_t epsp1, Double_t& epsbak)
Bool_t	TMinuit::mnunpt(TString& cfname)
virtual void	TMinuit::mnvert(Double_t* a, Int_t l, Int_t m, Int_t n, Int_t& ifail)
virtual void	TMinuit::mnwarn(const char* copt, const char* corg, const char* cmes)
virtual void	TMinuit::mnwerr()
virtual Bool_t	TObject::Notify()
void	TObject::Obsolete(const char* method, const char* asOfVers, const char* removedFromVers) const
static void	TObject::operator delete(void* ptr)
static void	TObject::operator delete(void* ptr, void* vp)
static void	TObject::operator delete[](void* ptr)
static void	TObject::operator delete[](void* ptr, void* vp)
void*	TObject::operator new(size_t sz)
void*	TObject::operator new(size_t sz, void* vp)
void*	TObject::operator new[](size_t sz)
void*	TObject::operator new[](size_t sz, void* vp)
TNamed&	TNamed::operator=(const TNamed& rhs)
virtual void	TObject::Paint(Option_t* option = "")
virtual void	TObject::Pop()
virtual void	TNamed::Print(Option_t* option = "") const
virtual Int_t	TObject::Read(const char* name)
virtual void	TObject::RecursiveRemove(TObject* obj)
virtual Int_t	TMinuit::Release(Int_t parNo)
void	TObject::ResetBit(UInt_t f)
virtual void	TObject::SaveAs(const char* filename = "", Option_t* option = "") constMENU
virtual void	TObject::SavePrimitive(ostream& out, Option_t* option = "")
void	TObject::SetBit(UInt_t f)
void	TObject::SetBit(UInt_t f, Bool_t set)
virtual void	TObject::SetDrawOption(Option_t* option = "")MENU
static void	TObject::SetDtorOnly(void* obj)
virtual Int_t	TMinuit::SetErrorDef(Double_t up)
virtual void	TMinuit::SetFCN(void* fcn)
virtual void	TMinuit::SetFCN(void ()(Int_t&, Double_t, Double_t&f, Double_t*, Int_t) fcn)
void	SetFitterTarget(TMVA::IFitterTarget& target)
virtual void	TMinuit::SetGraphicsMode(Bool_t mode = kTRUE)
virtual void	TMinuit::SetMaxIterations(Int_t maxiter = 500)
virtual void	TNamed::SetName(const char* name)MENU
virtual void	TNamed::SetNameTitle(const char* name, const char* title)
virtual void	TMinuit::SetObjectFit(TObject* obj)
static void	TObject::SetObjectStat(Bool_t stat)
Int_t	SetParameter(Int_t ipar, const char* parname, Double_t value, Double_t verr, Double_t vlow, Double_t vhigh)
virtual Int_t	TMinuit::SetPrintLevel(Int_t printLevel = 0)
virtual void	TNamed::SetTitle(const char* title = "")MENU
virtual void	TObject::SetUniqueID(UInt_t uid)
virtual void	ShowMembers(TMemberInspector& insp)
virtual Int_t	TNamed::Sizeof() const
virtual void	Streamer(TBuffer& b)
void	StreamerNVirtual(TBuffer& b)
virtual void	TObject::SysError(const char* method, const char* msgfmt) const
Bool_t	TObject::TestBit(UInt_t f) const
Int_t	TObject::TestBits(UInt_t f) const
virtual void	TObject::UseCurrentStyle()
virtual void	TObject::Warning(const char* method, const char* msgfmt) const
virtual Int_t	TObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0)
virtual Int_t	TObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0) const

protected:

virtual void	TObject::DoError(int level, const char* location, const char* fmt, va_list va) const
void	TObject::MakeZombie()

Data Members

public:

enum TMinuit::[unnamed] {	kMAXWARN
};
enum TObject::EStatusBits {	kCanDelete
	kMustCleanup
	kObjInCanvas
	kIsReferenced
	kHasUUID
	kCannotPick
	kNoContextMenu
	kInvalidObject
};
enum TObject::[unnamed] {	kIsOnHeap
	kNotDeleted
	kZombie
	kBitMask
	kSingleKey
	kOverwrite
	kWriteDelete
};

public:

Double_t*	TMinuit::fAlim	[fMaxpar2] Lower limits for parameters. If zero no limits
Double_t	TMinuit::fAmin	Minimum value found for FCN
Double_t	TMinuit::fApsi
Double_t	TMinuit::fBigedm	Big EDM = 123456
Double_t*	TMinuit::fBlim	[fMaxpar2] Upper limits for parameters
Double_t*	TMinuit::fCOMDplist	[fMaxpar] array used in mncomd
Double_t*	TMinuit::fCONTgcc	[fMaxpar] array used in mncont
Double_t*	TMinuit::fCONTw	[fMaxpar] array used in mncont
TString	TMinuit::fCfrom
char*	TMinuit::fChpt	!Character to be plotted at the X,Y contour positions
TString	TMinuit::fCovmes[4]
TString*	TMinuit::fCpnam	[fMaxpar2] Array of parameters names
TString	TMinuit::fCstatu
TString	TMinuit::fCtitl
TString	TMinuit::fCundef
TString	TMinuit::fCvrsn
TString	TMinuit::fCword
Double_t	TMinuit::fDcovar	Relative change in covariance matrix
Double_t*	TMinuit::fDgrd	[fMaxpar] Uncertainties
Double_t*	TMinuit::fDirin	[fMaxpar] (Internal) step sizes for current step
Double_t*	TMinuit::fDirins	[fMaxpar] (Internal) step sizes for current step for fixed params
Double_t	TMinuit::fEDM	Estimated vertical distance to the minimum
Int_t	TMinuit::fEmpty	Initialization flag (1 = Minuit initialized)
Double_t	TMinuit::fEpsi
Double_t	TMinuit::fEpsma2	sqrt(fEpsmac)
Double_t	TMinuit::fEpsmac	machine precision for floating points:
Double_t*	TMinuit::fErn	[fMaxpar] Negative Minos errors if calculated
Double_t*	TMinuit::fErp	[fMaxpar] Positive Minos errors if calculated
void	TMinuit::fFCN	!
Double_t*	TMinuit::fFIXPyy	[fMaxpar] array used in mnfixp
Double_t	TMinuit::fFval3
Double_t*	TMinuit::fG2	[fMaxpar]
Double_t*	TMinuit::fG2s	[fMaxpar]
Double_t*	TMinuit::fGRADgf	[fMaxpar] array used in mngrad
Double_t*	TMinuit::fGin	[fMaxpar2]
Double_t*	TMinuit::fGlobcc	[fMaxpar] Global Correlation Coefficients
Bool_t	TMinuit::fGraphicsMode	true if graphics mode on (default)
Double_t*	TMinuit::fGrd	[fMaxpar] First derivatives
Double_t*	TMinuit::fGrds	[fMaxpar]
Double_t*	TMinuit::fGstep	[fMaxpar] Step sizes
Double_t*	TMinuit::fGsteps	[fMaxpar]
Double_t*	TMinuit::fHESSyy	[fMaxpar] array used in mnhess
Double_t*	TMinuit::fIMPRdsav	[fMaxpar] array used in mnimpr
Double_t*	TMinuit::fIMPRy	[fMaxpar] array used in mnimpr
Int_t	TMinuit::fISW[7]	Array of switches
Int_t	TMinuit::fIcirc[2]
Int_t	TMinuit::fIcomnd	Number of commands
Int_t	TMinuit::fIdbg[11]	Array of internal debug switches
Int_t*	TMinuit::fIpfix	[fMaxpar] List of fixed parameters
Int_t	TMinuit::fIstkrd[10]
Int_t	TMinuit::fIstkwr[10]
Int_t	TMinuit::fIstrat
Int_t	TMinuit::fIsysrd	standardInput unit
Int_t	TMinuit::fIsyssa
Int_t	TMinuit::fIsyswr	standard output unit
Int_t	TMinuit::fItaur
Int_t	TMinuit::fKe1cr
Int_t	TMinuit::fKe2cr
Bool_t	TMinuit::fLimset	true if a parameter is up against limits (for MINOS)
Bool_t	TMinuit::fLnewmn	true if the previous process has unexpectedly improved FCN
Bool_t	TMinuit::fLnolim	true if there are no limits on any parameters (not yet used)
Bool_t	TMinuit::fLphead	true if a heading should be put out for the next parameter definition
Bool_t	TMinuit::fLrepor	true if exceptional conditions are put out (default=false)
Bool_t	TMinuit::fLwarn	true if warning messges are to be put out (default=true)
Double_t*	TMinuit::fMATUvline	[fMaxpar] array used in mnmatu
Double_t*	TMinuit::fMIGRflnu	[fMaxpar] array used in mnmigr
Double_t*	TMinuit::fMIGRgs	[fMaxpar] array used in mnmigr
Double_t*	TMinuit::fMIGRstep	[fMaxpar] array used in mnmigr
Double_t*	TMinuit::fMIGRvg	[fMaxpar] array used in mnmigr
Double_t*	TMinuit::fMIGRxxs	[fMaxpar] array used in mnmigr
Double_t*	TMinuit::fMNOTgcc	[fMaxpar] array used in mnmnot
Double_t*	TMinuit::fMNOTw	[fMaxpar] array used in mnmnot
Double_t*	TMinuit::fMNOTxdev	[fMaxpar] array used in mnmnot
Int_t	TMinuit::fMaxIterations	Maximum number of iterations
Int_t	TMinuit::fMaxcpt
Int_t	TMinuit::fMaxext	Maximum number of external parameters
Int_t	TMinuit::fMaxint	Maximum number of internal parameters
Int_t	TMinuit::fMaxpar	Maximum number of parameters
Int_t	TMinuit::fMaxpar1	fMaxpar*(fMaxpar+1)
Int_t	TMinuit::fMaxpar2	fMaxpar*fMaxpar
Int_t	TMinuit::fMaxpar5	fMaxpar*(fMaxpar+1)/2
TMethodCall*	TMinuit::fMethodCall	Pointer to MethodCall in case of interpreted function
Int_t	TMinuit::fNblock	Number of Minuit data blocks
Int_t	TMinuit::fNewpag
Int_t*	TMinuit::fNexofi	[fMaxpar] External parameters number for currently variable parameters
Int_t	TMinuit::fNfcn	Number of calls to FCN
Int_t	TMinuit::fNfcnfr
Int_t	TMinuit::fNfcnlc
Int_t	TMinuit::fNfcnmx	Maximum number of calls to FCN
Int_t	TMinuit::fNfcwar[20]
Int_t*	TMinuit::fNiofex	[fMaxpar2] Internal parameters number, or zero if not currently variable
Int_t	TMinuit::fNpagln	Number of lines per page
Int_t	TMinuit::fNpagwd	Page width
Int_t	TMinuit::fNpar	Number of free parameters (total number of pars = fNpar + fNfix)
Int_t	TMinuit::fNpfix	Number of fixed parameters
Int_t	TMinuit::fNstkrd
Int_t	TMinuit::fNstkwr
Int_t	TMinuit::fNu
Int_t*	TMinuit::fNvarl	[fMaxpar2] parameters flag (-1=undefined, 0=constant..)
Int_t	TMinuit::fNwrmes[2]
TObject*	TMinuit::fObjectFit	Pointer to object being fitted
TString	TMinuit::fOrigin[100]
Double_t*	TMinuit::fP	[fMaxpar1]
Double_t*	TMinuit::fPARSplist	[fMaxpar] array used in mnpars
Double_t*	TMinuit::fPSDFs	[fMaxpar] array used in mnpsdf
Double_t*	TMinuit::fPbar	[fMaxpar]
TObject*	TMinuit::fPlot	Pointer to TGraph object created by mncont
Double_t*	TMinuit::fPrho	[fMaxpar] Minimum point of parabola
Double_t*	TMinuit::fPstar	[fMaxpar2]
Double_t*	TMinuit::fPstst	[fMaxpar]
Double_t*	TMinuit::fSEEKxbest	[fMaxpar] array used in mnseek
Double_t*	TMinuit::fSEEKxmid	[fMaxpar] array used in mnseek
Double_t*	TMinuit::fSIMPy	[fMaxpar] array used in mnsimp
Int_t	TMinuit::fStatus	Status flag for the last called Minuit function
Double_t*	TMinuit::fU	[fMaxpar2] External (visible to user in FCN) value of parameters
Double_t	TMinuit::fUndefi	Undefined number = -54321
Double_t	TMinuit::fUp	FCN+-UP defines errors (for chisquare fits UP=1)
Double_t	TMinuit::fUpdflt
Double_t*	TMinuit::fVERTpp	[fMaxpar] array used in mnvert
Double_t*	TMinuit::fVERTq	[fMaxpar] array used in mnvert
Double_t*	TMinuit::fVERTs	[fMaxpar] array used in mnvert
Double_t*	TMinuit::fVhmat	[fMaxpar5] (Internal) error matrix stored as Half MATrix, since it is symmetric
Double_t	TMinuit::fVlimhi
Double_t	TMinuit::fVlimlo
Double_t*	TMinuit::fVthmat	[fMaxpar5] VHMAT is sometimes saved in VTHMAT, especially in MNMNOT
TString	TMinuit::fWarmes[100]
Double_t*	TMinuit::fWerr	[fMaxpar] External parameters error (standard deviation, defined by UP)
Double_t*	TMinuit::fWord7	[fMaxpar]
Double_t*	TMinuit::fX	[fMaxpar] Internal parameters values
Double_t	TMinuit::fXdircr
Double_t	TMinuit::fXmidcr
Double_t*	TMinuit::fXpt	[fMaxcpt] X array of points for contours
Double_t*	TMinuit::fXs	[fMaxpar] Internal parameters values saved for fixed params
Double_t*	TMinuit::fXt	[fMaxpar] Internal parameters values X saved as Xt
Double_t*	TMinuit::fXts	[fMaxpar] Internal parameters values X saved as Xt for fixed params
Double_t	TMinuit::fYdircr
Double_t	TMinuit::fYmidcr
Double_t*	TMinuit::fYpt	[fMaxcpt] Y array of points for contours

protected:

TString	TNamed::fName	object identifier
TString	TNamed::fTitle	object title

private:

TMVA::IFitterTarget&	fFitterTarget	fitter Target
Int_t	fNumPar	number of parameters
vector<Double_t>	fParameters	vector holding the current parameters

Class Charts

Inheritance Inherited Members Includes Libraries

Function documentation

MinuitWrapper(TMVA::IFitterTarget& target, Int_t maxpar)

 constructor

Int_t Eval(Int_t , Double_t* , Double_t& , Double_t* , Int_t )

 std::vector<Double_t> parameters( npar );

Int_t ExecuteCommand(const char* command, Double_t* args, Int_t nargs)

 Execute a fitter command;
   command : command string
   args    : list of nargs command arguments

void Clear(Option_t* = 0)

 reset the fitter environment

Int_t GetStats(Double_t& amin, Double_t& edm, Double_t& errdef, Int_t& nvpar, Int_t& nparx)

 return global fit parameters
   amin     : chisquare
   edm      : estimated distance to minimum
   errdef
   nvpar    : number of variable parameters
   nparx    : total number of parameters

Int_t GetErrors(Int_t ipar, Double_t& eplus, Double_t& eminus, Double_t& eparab, Double_t& globcc)

 return current errors for a parameter
   ipar     : parameter number
   eplus    : upper error
   eminus   : lower error
   eparab   : parabolic error
   globcc   : global correlation coefficient

Int_t SetParameter(Int_t ipar, const char* parname, Double_t value, Double_t verr, Double_t vlow, Double_t vhigh)

 set initial values for a parameter
   ipar     : parameter number
   parname  : parameter name
   value    : initial parameter value
   verr     : initial error for this parameter
   vlow     : lower value for the parameter
   vhigh    : upper value for the parameter

TObject * Clone(const char* ) const

 produces a clone of this MinuitWrapper

virtual ~MinuitWrapper()

{}

void SetFitterTarget(TMVA::IFitterTarget& target)

{ fFitterTarget = target; }