曲线拟合（Curve Fitting）

https://en.wikipedia.org/wiki/Curve_fitting

多项式曲线拟合（Polynomial Curve Fitting）

http://blog.csdn.net/daunxx/article/details/51588262

Apache Math3 PolynomialCurveFitter(多项式曲线拟合)

final WeightedObservedPoints obs = new WeightedObservedPoints();obs.add(-1.00, 2.021170021833143);obs.add(-0.99, 2.221135431136975);obs.add(-0.98, 2.09985277659314);obs.add(-0.97, 2.0211192647627025);obs.add(0.99, -2.4345814727089854);final PolynomialCurveFitter fitter = PolynomialCurveFitter.create(1);final double[] coeff = fitter.fit(obs.toList());Arrays.stream(coeff).forEach(System.out::println);

Apache Math3 HarmonicCurveFitter(谐波曲线拟合)

Apache Math3 GaussianCurveFitter(高斯曲线拟合)

这里只是作为记录，并在工作中用于解决问题。