MATLAB CURVE FITTING TOOLBOX - RELEASE NOTES Manuel d'utilisateur télécharger pdf (Page 24)

R2011b

8-2

Unified Interactive Curve Fitting Tool

With the unified interactive Curve Fitting Tool, you can now fit curves and surfaces in

the same GUI. The new Curve Fitting Tool has improved usability so you can choose

data, fit types and plot settings within one window, without needing to open any separate

dialogs. You can generate MATLAB code to recreate all your fits and plots. You can now

zoom and pan on surface plots.

For information and examples, see Interactive Curve and Surface Fitting .

Functions with Compatibility Changes

Function Element

Name

What Happens When

You Use This Function

Element

Use This Instead Compatibility

Considerations

sftool Opens new Curve

Fitting Tool, and

warns that sftool

function will be

removed in a future

release.

cftool Use cftool instead.

cftool Opens new Curve

Fitting Tool.

N/A Change in behavior

to open new Curve

Fitting Tool.

Curve Fitting Tool Compatibility Changes

Curve Fitting Tool in R2011b has some changes in behavior to previous releases of Curve

Fitting Tool:

• No exclusion rules. You can exclude data graphically, but you cannot save exclusion

rules.

• No analysis GUI. You can use command-line functions to achieve the same goals. See

Analyzing Your Best Fit in the Workspace.

• No custom linear equations. You can define a custom linear equation, but the custom

equation fit uses nonlinear fitting which is usually slower than linear least-squares

fitting. If you need linear least-squares fitting for custom equations, you must use the

legacy Curve Fitting Tool. See Custom Linear Models.

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MATLAB CURVE FITTING TOOLBOX - RELEASE NOTES Manuel d'utilisateur Page 24