MATLAB Object-Oriented Programming

@fcneval/fcneval.m Class Code

classdef fcneval < handle

properties

FofXY

end

properties (SetObservable = true)

Lm = [-2*pi 2*pi]

end % properties SetObservable = true

properties (Dependent = true)

Data

end

events

UpdateGraph

end

methods

function obj = fcneval(fcn_handle,limits) % Constructor returns object

if nargin > 0

obj.FofXY = fcn_handle; % Assign property values

obj.Lm = limits;

end

end

function set.FofXY(obj,func)

me = fcneval.isSuitable(func);

if ~isempty(me)

throw(me)

end

obj.FofXY = func;

notify(obj,'UpdateGraph');

end

function set.Lm(obj,lim)

if ~(lim(1) < lim(2))

error('Limits must be monotonically increasing')

else

obj.Lm = lim;

end

end

function data = get.Data(obj)

[x,y] = fcneval.grid(obj.Lm);

matrix = obj.FofXY(x,y);

data.X = x;

data.Y = y;

data.Matrix = real(matrix);

end

end % methods

11 Events — Sending and Responding to Messages