How do I find the bend in a line?

I have the following in my code, which produces a line graph with 5 lines (plotting number of trials (50) on the x axis, against discount rate (k) on the y axis).

      figure; plot(self1.k) % standard blue line
      hold on, plot(other1.k,'g') % green
      hold on, plot(self2.k,'--b') % blue dashed
      hold on, plot(other2.k,'r') % red
      hold on, plot(self3.k,'.b') % blue points
  title('Discount Rate Evolution Over Trials')

I want to find the bend in these lines, to see what number of trials I will need.

How do I go about doing this?

[John D'Errico]

What bend? How did you create the "lines"? We cannot see into your computer. No matter what, you will need to find the bend in advance, from the data or function itself.

Answer 1

[Image Analyst]

hard to tell since you didn't attach any data or screenshots. Maybe try findchangepts().