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support for variable naming for function, model and data

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This commit is contained in:
Antonin Portelli
2016-03-31 12:12:30 +01:00
parent 8ef69a4843
commit b3c2b17eef
13 changed files with 206 additions and 60 deletions
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12
examples/exFit.cpp
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@ -24,9 +24,9 @@ int main(void)
DoubleModel f([](const double *x, const double *p)
{return p[1]*exp(-x[0]*p[0])+x[1];}, 2, 2);
data.addXDim("x", nPoint1);
data.addXDim("off", nPoint2);
data.addYDim("y");
data.addXDim(nPoint1);
data.addXDim(nPoint2);
data.addYDim();
for (Index i1 = 0; i1 < nPoint1; ++i1)
{
xBuf[0] = i1*dx1;
@ -52,11 +52,11 @@ int main(void)
FitResult p;
MinuitMinimizer minimizer;
f.parName().setName(0, "m");
f.parName().setName(1, "A");
minimizer.setVerbosity(Minimizer::Verbosity::Normal);
p = data.fit(minimizer, init, f);
cout << "a= " << p(0) << " b= " << p(1) << endl;
cout << "chi^2/ndof= " << p.getChi2PerDof() << endl;
cout << "p-value= " << p.getPValue() <<endl;
p.print();
return EXIT_SUCCESS;
}

17
examples/exFitSample.cpp
View File

@ -24,9 +24,9 @@ int main(void)
DoubleModel f([](const double *x, const double *p)
{return p[1]*exp(-x[0]*p[0])+x[1];}, 2, 2);
data.addXDim("x", nPoint1);
data.addXDim("off", nPoint2);
data.addYDim("y");
data.addXDim(nPoint1);
data.addXDim(nPoint2);
data.addYDim();
for (Index s = central; s < nSample; ++s)
{
for (Index i1 = 0; i1 < nPoint1; ++i1)
@ -47,16 +47,13 @@ int main(void)
// fit
DVec init = DVec::Constant(2, 0.1);
DMat err;
SampleFitResult p;
MinuitMinimizer minimizer;
p = data.fit(minimizer, init, f);
err = p.variance().cwiseSqrt();
cout << "a= " << p[central](0) << " +/- " << err(0) << endl;
cout << "b= " << p[central](1) << " +/- " << err(1) << endl;
cout << "chi^2/ndof= " << p.getChi2PerDof() << endl;
cout << "p-value= " << p.getPValue() << endl;
f.parName().setName(0, "m");
f.parName().setName(1, "A");
p = data.fit(minimizer, init, f);
p.print();
return EXIT_SUCCESS;
}