MATLAB Function Reference    

Polynomial and Interpolation Functions

 

Polynomials
conv Convolution and polynomial multiplication
deconv Deconvolution and polynomial division
poly Polynomial with specified roots
polyder Polynomial derivative
polyeig Polynomial eigenvalue problem
polyfit Polynomial curve fitting
polyint Analytic polynomial integration
polyval Polynomial evaluation
polyvalm Matrix polynomial evaluation
residue Convert between partial fraction expansion and polynomial coefficients
roots Polynomial roots

 

Data Interpolation
convhull Convex hull
convhulln Multidimensional convex hull
delaunay Delaunay triangulation
delaunay3 Three-dimensionalDelaunay tessellation
delaunayn Multidimensional Delaunay tessellation
dsearch Search for nearest point
dsearchn Multidimensional closest point search
griddata Data gridding
griddata3 Data gridding and hypersurface fitting for three-dimensional data
griddatan Data gridding and hypersurface fitting (dimension >= 2)
interp1 One-dimensional data interpolation (table lookup)
interp2 Two-dimensional data interpolation (table lookup)
interp3 Three-dimensional data interpolation (table lookup)
interpft One-dimensional interpolation using the FFT method
interpn Multidimensional data interpolation (table lookup)
meshgrid Generate X and Y matrices for three-dimensional plots
ndgrid Generate arrays for multidimensional functions and interpolation
pchip Piecewise Cubic Hermite Interpolating Polynomial (PCHIP)
ppval Piecewise polynomial evaluation
spline Cubic spline data interpolation
tsearch Search for enclosing Delaunay triangle
tsearchn Multidimensional closest simplex search
voronoi Voronoi diagram
voronoin Multidimensional Voronoi diagrams

 Data Analysis and Fourier Transform Functions Function Functions - Nonlinear Numerical Methods