Write a GUI function that will create a rectangle object. The GUI has a slider on top that ranges from 2 to 10

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guirectangle.m

function guirectangle

f = figure('Visible', 'off','Position', [360, 500, 400,400]);

minval = 2;

maxval = 10;

slhan = uicontrol('Style','slider','Position',

[140,280,100,50], ...

 'Min', minval, 'Max', maxval,'Value',minval,'Callback', 

@callbackfn);

hmintext = uicontrol('Style','text','BackgroundColor', 

'white', ...

 'Position', [90, 310, 40,15], 'String', num2str(minval));

hmaxtext = uicontrol('Style','text', 'BackgroundColor', 

'white',...

 'Position', [250, 310, 40,15], 'String', num2str(maxval));

hsttext = uicontrol('Style','text','BackgroundColor', 'white',...

 'Position', [170,340,40,15],'Visible','off');

axhan = axes('Units', 'Pixels','Position', [100,50,200,200]);

set(f,'Name','Rectangle GUI')

movegui(f,'center')

set([slhan,hmintext,hmaxtext,hsttext,axhan], 

'Units','normalized')

set(f,'Visible','on');

 function callbackfn(source,eventdata)

 num=get(slhan, 'Value');

 set(hsttext,'Visible','on','String',num2str(num))

 cla % deletes all children of current axes

 rh = rectangle('Position',[5,5,5,10]);

 axis([0 30 0 30])

 set(rh,'LineWidth',num)

 end

end

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