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Navigation: REGRESSION WITH PRISM 8 > Nonlinear regression with Prism

Entering a user-defined model into Prism

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Prism provides lots of built-in models, but you should not hesitate to adapt these or enter additional models. This section shows you how to do so.

Overview: User-defined equations

How to: Enter a new equation

How to: Clone an equation

How to: Manage your list of equations

Syntax of user-defined equations

Multiline models

Limitations when entering equations

Entering a differential equation

Entering an implicit equation

Available functions for user-defined equations

Fitting different segments of the data to different models

Fitting different models to different data sets

Column constants

Defining equation with two (or more) independent variables

Rules for initial values

Default constraints

Transforms to report

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