Tag Archives: IRR

Linest, NPV, IRR and solving polynomials

In a comment on Using LINEST for non-linear curve fitting Lori Miller posted a formula that found the coefficients fitting a cubic polynomial curve to a set of data, then solved the resulting equation to find the X value for a given … Continue reading

Posted in Excel, Maths, Newton, UDFs, VBA | Tagged , , , , , , | 3 Comments