For the attached data, the potential knee points seem to be flipped in their y-axsis. <img width="835" height="656" alt="Image" src="https://github.com/user-attachments/assets/1a107b44-feb5-4a5a-8cb3-5de938b3d07a" /> [data.txt](https://github.com/user-attachments/files/29172766/data.txt)
For the attached data, the potential knee points seem to be flipped in their y-axsis.
data.txt