Tag Archives: LOGEST

Fitting high order polynomials

This post is a follow up to Using LINEST for non-linear curve fitting and the following comments from Scott Rogers and Lori Miller.  Scott found that he was getting different results from Linest and the xy chart trend line for polynomials of … Continue reading

Posted in AlgLib, Charts, Excel, Maths, Newton, UDFs, VBA | Tagged , , , , , , , , | 31 Comments

Using LINEST for non-linear curve fitting

Update 14 March 2020: See LinEstGap with non-linear functions for the latest version of Linest-Poly with new functions for non-linear curves allowing more convenient input and work with data with gaps errors, and/or hidden lines. Update 28 June 2015:  Also see … Continue reading

Posted in Charts, Excel, Maths, Newton | Tagged , , , , , | 91 Comments