Recent content by bundit

Thank you,Ackbach. By the way, can you brief me the definition of R^2 in your quote.? Thanks. Bundit

Hello, I'm new in this forum. I would like to know how to calculate to obtain the function expression of some given coordinate points(x,y). For example, if I have 6 coordinate points which are (x,y) (0.23, 4.5) (0.25, 6.5) (0.35, 8.8) (0.43, 15) (0.45, 17) (0.5, 25) The (x,y) relation...