2026
Explore the Extended Definitions, OML Guides, Block Library, API Guide and Glossary.
Provides information about developing and simulating models through the Twin Activate Application Program Interface.
Learn about the macros available for accessing information about blocks and simulations.
Learn about the new features and enhancements in Twin Activate.
New to Twin Activate? Learn the basics here.
Start using Twin Activate with our interactive tutorials.
Learn about the features and functionality available in Twin Activate.
In-depth information on key topics in the User's Guide.
OpenMatrix is a mathematical scripting language.
The Reference Guide contains documentation for all functions supported in the OpenMatrix language.
Describes all of the blocks in the installed Twin Activate library.
Learn about the APIs available for manipulating blocks through the Block Diagram Editor.
Learn about the APIs available for obtaining information from Activate models, for example information about variables and environments.
Learn about the APIs available for simulating models.
The following macros are used to access vss_block structure inside the block simulation function. In all macros, the block argument is of type vss_block. n and m are strictly positive integer values.
The following macros are used to access some global variables or information such as simulator current time or error tolerances. These variables are available on the simulator structure.
This page lists default shortcuts.
Key terms associated with the software.
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