/// <summary>
/// 多项式拟合。
/// 参数与乘积为从低到高。
/// 注意：拟合参数数量 = 阶次 + 1
/// </summary>
/// <param name="arrayX">数组</param>
/// <param name="arrayY">数组</param>
/// <param name="order">阶次</param>
/// <returns>拟合参数</returns>
public static double[] GetFitParams(double[] arrayX, double[] arrayY, int order)
{
LsPolyFit fit = new LsPolyFit(arrayX, arrayY, order);
return(fit.FitParameters());
}
