Curve Fitting Toolbox

Preface

What Is the Curve Fitting Toolbox?

Exploring the Toolbox

Related Products

Using This Guide

Expected Background

How This Guide Is Organized

Documentation Examples and Data Sets

Installation Information

Typographical Conventions

Getting Started with the Curve Fitting Toolbox

Opening the Curve Fitting Tool

Importing the Data

Fitting the Data

The Data Fitting Procedure

Determining the Best Fit

Saving the Fit Results

Analyzing the Fit

Saving the Analysis Results

Saving Your Work

Saving the Session

Generating an M-File

Importing, Viewing, and Preprocessing Data

Importing Data Sets

Example: Importing Data

Viewing Data

Viewing Data Graphically

Viewing Data Numerically

Smoothing Data

Moving Average Filtering

Lowess and Loess: Local Regression Smoothing

Savitzky-Golay Filtering

Example: Smoothing Data

Excluding and Sectioning Data

Marking Outliers

Sectioning

Example: Excluding and Sectioning Data

Example: Sectioning Periodic Data

Additional Preprocessing Steps

Transforming the Response Data

Removing Infs, NaNs, and Outliers

Selected Bibliography

Fitting Data

The Fitting Process

Parametric Fitting

Basic Assumptions About the Error

The Least Squares Fitting Method

Library Models

Custom Equations

Specifying Fit Options

Evaluating the Goodness of Fit

Example: Rational Fit

Example: Fitting with Custom Equations

Example: Robust Fit

Nonparametric Fitting

Interpolants

Smoothing Spline

Example: Nonparametric Fit

Selected Bibliography

Function Reference

Functions - By Category

Fitting Data

Getting Information and Help

Getting and Setting Properties

Preprocessing Data

Postprocessing Data

General Purpose

Functions - Alphabetical List


 Preface