Compatibility Summary for Control System Toolbox Software

This table summarizes new features and changes that might cause incompatibilities when you upgrade from an earlier version, or when you use files on multiple versions. Details are provided with the description of the new feature or change.

Version (Release)	New Features and Changes with Version Compatibility Impact
Latest Version V9.0 (R2010b)	See the Compatibility Considerations subheading for this change: Change in Output of repsys Command
V8.5 (R2010a)	See the Compatibility Considerations subheading for this change: New Commands for Specifying Options for Continuous-Discrete Conversions
V8.4 (R2009b)	None
V8.3 (R2009a)	See the Compatibility Considerations subheading for this new feature or change: Variable q Now Defined as the Forward Shift Operator z
V8.2 (R2008b)	See the Compatibility Considerations subheading for this new feature or change: Current Flag Moved from lqgreg to kalman
V8.1 (R2008a)	None
V8.0.1 (R2007b)	None
V8.0 (R2007a)	None
V7.1 (R2006b)	None
V7.0 (R2006a)	None
V6.2.1 (R14SP3)	None
V6.2 (R14SP2)	None
V6.1 (R14SP1)	None
V6.0 (R14)	See the Compatibility Considerations subheading for this new feature or change: Linearization Tools Moved to Simulink Control Design Software
V5.2.1 (R13SP2)	None
V5.2 (R13)	None

Version (Release)

New Features and Changes with Version Compatibility Impact

Latest Version
V9.0 (R2010b)

See the Compatibility Considerations subheading for this change: