MATLAB Object-Oriented Programming

fcnview

Properties

Listeners

fcneval object

graph

Lm property

UpdateGraph

fcneval

Properties

Events

FofXY

Lm observable

Data

UpdateGraph

Techniques Demonstrated in This Example

• Naming an event in the class definition


• Triggering an event by calling notify


• Enabling a property event via the SetObservable attribute


• Creating listeners for class-defined events and property PostSet events


• Defining listener callback functions that accept additional arguments


• Enabling and disabling listeners

Summary of fcneval Class

The fcneval class evaluates a MATLAB expression over a specified range of two
variables. The fcneval is the source of the data that objects of the fcnview class graph
as a surface. fcneval is the source of the events used in this example. For a listing of the
class definition, see “@fcneval/fcneval.m Class Code” on page 11-64

Techniques for Using Events and Listeners 11-