Delphi 多点曲线光滑拟和，实现1次多项式最小二乘、2次多项式最小二乘，最终显示实验值、a+bx+cx^2拟合、ae^(b/x)拟合值，以控制台窗口方式显示出运算结果。-Delphi smooth curve fitting and more, the realization of a polynomial least squares, two polynomial least squares, finally shows the experimental value, a+ bx+ cx