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Version 3.1 (R2009b) SimBiology Software

This table summarizes what's new in Version 3.1 (R2009b):

New Features and Changes	Version Compatibility Considerations	Fixed Bugs and Known Problems	Related Documentation at Web Site
Yes Details below	Yes—Details labeled as Compatibility Considerations, below. See also Summary.	Bug Reports Includes fixes	Printable Release Notes: PDF Current product documentation

New features and changes introduced in this version are:

• Increased Performance When Repeatedly Simulating a Model

• Enhanced Desktop Support for Scanning Using Monte Carlo Methods

• Desktop Support for Copy and Paste

• View Status of Parameter Fitting Task During Run

• Improved Usability for Model Building and Debugging

• Unit Conversion Compatibility Considerations

• Functions and Properties Being Removed

Increased Performance When Repeatedly Simulating a Model

Many analysis tasks that involve repeatedly simulating a model now run faster. These tasks include parameter fits and scans, as well as repeatedly simulating the same model using different variants or setting different values for the InitialAmount of species, the Capacity of compartments, and the Value of parameters. Under these conditions, repeatedly simulating the model generates any applicable warnings only the first time. To display warnings again, use the verification methods described in Verifying that the Model Has No Warnings or Errors in the SimBiology^® User's Guide.

Enhanced Desktop Support for Scanning Using Monte Carlo Methods

Scanning analysis now includes additional support for Monte Carlo methods. You can specify sampling using the options multivariate normal distribution or latin hypercube sample with a normal distribution. The Statistics Toolbox™ is required for this functionality. For more information, see Scanning Analysis in the SimBiology user's guide documentation.

Desktop Support for Copy and Paste

The SimBiology desktop now supports copying and pasting. Use the typical keyboard shortcuts or the context menus to execute these commands.

View Status of Parameter Fitting Task During Run

You can track the status of a parameter fit when using nonlinear mixed effects with the sbiofitstatusplot function at the command line or by selecting an option in the SimBiology desktop. For more information, see Obtaining the Status of Fitting (command line) or Obtaining the Status of Fitting (desktop).

Improved Usability for Model Building and Debugging

The SimBiology desktop now supports:

• Dynamically updated error indicators for variants, configuring plots, and defining scans — Shows correctly defined, incorrectly defined, and warning indicators (green, red, and yellow) for additional help with model debugging.

• M-Lint indicators — Wherever MATLAB code appears in the desktop, the indicators used by M-lint also appear.

• Help for user-identified MATLAB code — Select and use the contextmenu to find help on functions where MATLAB code appears in the desktop.

Unit Conversion Compatibility Considerations

Previously a model with no units specified could have unit conversion on or off. Now, a model with no units specified that has UnitConversion on shows an error. Set UnitConversion off for models without units.

Functions and Properties Being Removed

For more information about the process of removing functions, see "About Functions Being Removed" in What Is in the Release Notes.

Function or Property Name	What Happens When You Use Function or Property?	Use This Instead	Compatibility Considerations
-flat as an option for getstoichmatrix and getadjacencymatrix	Errors	Not applicable	Since support for submodels has been removed, this option no longer applies.

SimBiology Release Notes

Version 3.0 (R2009a) SimBiology Software

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