MATLAB Object-Oriented Programming

ed =

One to thirteen'

1 2 3 4 5 6 7 8 9 10 11 12 13

The ExtendDouble inherits converter methods from the double class. For example,

MATLAB calls the char method to perform this assignment statement.

ed(11:13) = ['a','b','c']

ed =

one to thirteen

1 2 3 4 5 6 7 8 9 10 97 98 99

Class of Value Returned by Indexing Expression

The ExtendDouble implements two forms of indexed reference in the subsref method:

• obj.Data and obj.Data(ind) — Return values of class double


• obj(ind) — Return values of class ExtendDouble

For example, compare the values returned by these expressions.

ed = ExtendDouble(1:10,'One to ten');

a = ed(1)

a =

One to ten

1

b = ed.Data(1)

b =

1

whos

Name Size Bytes Class Attributes

a 1x1 132 ExtendDouble

b 1x1 8 double

ed 1x10 204 ExtendDouble

12 How to Build on Other Classes