Fit interpolating curves or surfaces, estimate values between known data points


Curve FittingFit curves and surfaces to data


excludedataExclude data from fit
fitFit curve or surface to data
fittypeFit type for curve and surface fitting
fitoptionsCreate or modify fit options object
getGet fit options structure property names and values
setAssign values in fit options structure
fevalEvaluate cfit, sfit, or fittype object
prepareCurveData Prepare data inputs for curve fitting
prepareSurfaceDataPrepare data inputs for surface fitting


Selecting an Interpolant Fit

Fit interpolant models in Curve Fitting app or with the fit function.

Interpolation Methods

Interpolation methods for estimating values between known data points for curves and surfaces.

Nonparametric Fitting

Nonparametric fitting to create smooth curves or surfaces through your data with interpolants and smoothing splines.