Function Summary

Interpolation functions are located in the MATLAB polyfun directory. For a complete list, brief descriptions, and links to reference pages, type:

help polyfun

The following table lists the MATLAB interpolation functions.

Function Summary

Function

Description

griddata

Data gridding and surface fitting

griddata3

Data gridding and hypersurface fitting for three-dimensional data

griddatan

Data gridding and hypersurface fitting (dimension >= 3)

interp1

One-dimensional interpolation (table lookup)

interp2

Two-dimensional interpolation (table lookup)

interp3

Three-dimensional interpolation (table lookup)

interpft

One-dimensional interpolation using FFT method

interpn

N-dimensional interpolation (table lookup)

mkpp

Make a piecewise polynomial

pchip

Piecewise Cubic Hermite Interpolating Polynomial (PCHIP)

ppval

Piecewise polynomial evaluation

spline

Cubic spline data interpolation

unmkpp

Piecewise polynomial details

  


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