1, I have a lot of sample data, it can be plot a 2D dot distribution map.
2, then, I need fit a function curve,such as:
4,then if I can create a vertical line on X axis what it can to left or right free move by mouse,
then I can got other point coordinate,such as (x1,y1) and (x1,y2)
5, even I can also get a function formula ,such as f1(x) and f2(x).
Would you please give me a little suggest ?
Thanks a lot !