With Control System Toolbox™ software, you represent dynamic systems as model objects. Model objects are specialized data containers that encapsulate model data and other attributes in a structured way. Model objects enable you to manipulate linear systems as single entities rather than keeping track of multiple data vectors, matrices, or cell arrays. Once you have a linear model, you can perform time-domain or frequency-domain analysis of it, design a controller for it, and perform other design or analysis tasks.