Difference between Interpolation and Extrapolation?

Data Science, AI and ML
#1

Difference between Interpolation and Extrapolation?

#2

Mathematically extrapolation is an estimation of a value based on extending a known sequence of values or facts beyond the area that is certainly known. Interpolation is an estimation of a value within two known values in a sequence of values.

ref:https://medium.com/@davidkofoedwind/advice-for-interpolation-or-extrapolation-37da6e331161#:~:text=Mathematically%20extrapolation%20is%20an%20estimation,in%20a%20sequence%20of%20values.