How to interpolate values in Excel - Super User
Nov 1, 2021 · From Interpolate with Excel Surprisingly, linear interpolation is quite hard to do in Excel. This uses Excel Forecast function =FORECAST(x,known_y's,known_x's). The =INDEX …
What is the simplest way to interpolate and lookup in an x,y table …
Jul 28, 2013 · What would the equation's arguments to be and what would it return? VLOOKUP could be used or INDEX and MATCH? A lookup by itself won't interpolate any data, if an exact …
Non-linear interpolation (ATTN: Herbert) - Microsoft Community
May 18, 2023 · Non-linear interpolation (ATTN: Herbert) In another forum, I made some suggestions for interpolating non-linear data. But I wonder if there is a better solution. In …
Interpolating nonlinear data from Excel - Microsoft Community
Jun 23, 2025 · Interpolating nonlinear data from Excel I have a graph that looks like this The coordinates of each of them are in the Excel file. I need to interpolate the x value if the y value …
Non linear interpolation with excel? - Microsoft Community
Jun 23, 2025 · Hi. I have two columns of data like these: X Values: 1 2 3 4 5 6 7 8 9 10 20 30 40 50 60 70 80 90 100 120 140 160 180 200 250 300 400 500 600 700 800 900 1000 1250 ...
Excel Linear/Growth Series - Microsoft Community
Mar 29, 2019 · This simple and powerful Excel linear interpolation function was developed using VBA and can be called from within your excel workbook. Functions like this are known as …
Linear & Polynomial Interpolation in Excel - Microsoft Community
Oct 25, 2020 · Greeting Gents, Kindly, I want to ask about Linear & Polynomial Interpolation in Excel actually, I have data in Excel as attached and therefore i would like to find values …
How to interpolate intermediate values for arbitrary data in Excel
Linear interpolation will be crude if you are approximating a curve with a limited number of points. There are several other approaches that will give you better results, and built-in analysis tools …
Interpolation: Formula for exponential (?) rather than linear ...
Oct 2, 2021 · As you can see in the screenshot, the numbers grow rather exponentially than linear: Thus, I consider it more appropriate to interpolate the values for the months with an …
Creating chart in Excel where data for X-axis (horizontal) is non ...
What I'd like to do with MS-Excel is to plot 2 curves, one that treats values in col. 'X' as horizontal axis data, assuming it to be a linear scale, and another assuming it to be a logarithmic scale.