MATLAB Object-Oriented Programming

Example Code Discussion

properties
Material
SampleNumber
Stress
Strain
end

See “Structure of the Data” on page 3-19

properties (Dependent)
Modulus
end

Calculate Modulus when queried. For

information about this code, see

“Calculate Data on Demand” on page 3-

23.

For general information, see “Set and Get

Methods for Dependent Properties” on

page 8-62

methods For general information about methods,

see “Ordinary Methods” on page 9-8

function td = TensileData(material,samplenum,...
stress,strain)
if nargin > 0
td.Material = material;
td.SampleNumber = samplenum;
td.Stress = stress;
td.Strain = strain;
end
end

For information about this code, see

“Simplifying the Interface with a

Constructor” on page 3-22.

For general information about

constructors, see “Class Constructor

Methods” on page 9-21

function obj = set.Material(obj,material)
if (strcmpi(material,'aluminum') ||...
strcmpi(material,'stainless steel') ||...
strcmpi(material,'carbon steel'))
obj.Material = material;
else
error('Invalid Material')
end
end

Restrict possible values for Material

property.

For information about this code, see

“Restrict Properties to Specific Values” on

page 3-21.

For general information about property

set methods, see “Property Set Methods”

on page 8-56.

Representing Structured Data with Classes