Lag_mod(v,X,Y,deg)

Version 1.0.0.0 (2.16 KB) by Jorge Gutiérrez Gil
Calculates Lagrange interpolation with optional degree order reduction.
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Updated 8 Dec 2017

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X is the node array. Y is the known solution at those nodes. v is the point for which we want the interpolation.
How to use: Specify degree of approximation in 'deg'. For example: I want a cubic Lagrange interpolation but my X and Y vectors have, lets say 30 points. Lag.m searches for the 4 nodes of X (and their Y associates) which are surrounding the inquiry point v, and only uses them for the interpolation. If a classical interpolation using all nodes is desired, specify 'all' in deg.

Cite As

Jorge Gutiérrez Gil (2024). Lag_mod(v,X,Y,deg) (https://www.mathworks.com/matlabcentral/fileexchange/65363-lag_mod-v-x-y-deg), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2017b
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.0.0.0

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