Fits points to a
org.apache.commons.math3.analysis.function.Gaussian.Parametric function.
Usage example:
GaussianFitter fitter = new GaussianFitter(
new LevenbergMarquardtOptimizer());
fitter.addObservedPoint(4.0254623, 531026.0);
fitter.addObservedPoint(4.03128248, 984167.0);
fitter.addObservedPoint(4.03839603, 1887233.0);
fitter.addObservedPoint(4.04421621, 2687152.0);
fitter.addObservedPoint(4.05132976, 3461228.0);
fitter.addObservedPoint(4.05326982, 3580526.0);
fitter.addObservedPoint(4.05779662, 3439750.0);
fitter.addObservedPoint(4.0636168, 2877648.0);
fitter.addObservedPoint(4.06943698, 2175960.0);
fitter.addObservedPoint(4.07525716, 1447024.0);
fitter.addObservedPoint(4.08237071, 717104.0);
fitter.addObservedPoint(4.08366408, 620014.0);
double[] parameters = fitter.fit();