how can you perform Lagrange interpolation using excel?

[Mauricio]

Does anybody know how to perform a Lagrange interpolation given a set of
known y's and x's?

 

[Bernie Deitrick]

Mauricio,

There are add-ins available:

http://www.webcabcomponents.com/office/addin/functions/index.shtml

HTH,
Bernie
MS Excel MVP