Tutorial about linear interpolation and extrapolation with practical examples, Scilab scripts and online calculators

Guide to what is the Extrapolation Formula. Here, we explain the concept with examples, how to calculate it, and its relevance and uses.

May 13, 2025 · Whether you’re analyzing trends in business, predicting engineering results, or forecasting future data, this technique is fast, simple, and widely used. In this article, we’ll …

Sep 10, 2025 · Enter the value of two coordinate points and either the y or x value of a third point to extrapolate the missing value of the third point. The following formula is used to calculate an …

May 21, 2025 · What Is a Linear Extrapolation Formula? Linear extrapolation is the process of estimating a value of f (x) that lies outside the range of the known independent variables. …

Aug 21, 2025 · In this article, you’ll learn five ways to perform linear extrapolation in Excel using arithmetic formula, LINEST, TREND, FORECAST.LINEAR functions and using the Trendline …

Online calculator for linear interpolation and extrapolation. Given two (x, y) pairs and an additional x or y, compute the missing value.

Linear extrapolation means creating a tangent line at the end of the known data and extending it beyond that limit. Linear extrapolation will only provide good results when used to extend the …

Jul 1, 2025 · This calculator performs linear extrapolation based on a set of data points. By fitting a straight line using least squares regression, it predicts the y value for a given x outside the …

Linear extrapolation offers a good result when the point to be predicted is not too far from the given data, for any linear function. It is typically done by drawing the tangent line at the …