Modify the areaMenu script to use the listdlg function instead of printing a menu. By using switch statement and adding two more option

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Ceren Akcam
Ceren Akcam 2021-12-24
评论： Rena Berman 2022-1-25
Modify the areaMenu script to use the listdlg function instead of printing a menu.
areaMenu.m
This is the version that I modified by using the listing funciton.;
How can I solve this question by using switch statement and how I include 2 additional options 4.trapezoid 5. Sector
________________________________________________________________________________
% Prints a menu and calculates area of user's choice
sh = listdlg('SelectionMode', 'Single',...
'PromptString', 'Menu',...
'ListString', {'Cylinder', 'Circle', 'Rectangle'});
if sh == 1
rad = input('Enter the radius of the cylinder: ');
ht = input('Enter the height of the cylinder: ');
fprintf('The surface area is %.2f\n', 2*pi*rad*ht)
elseif sh == 2
rad = input('Enter the radius of the circle: ');
fprintf('The area is %.2f\n', pi*rad*rad)
elseif sh == 3
len = input('Enter the length: ');
wid = input('Enter the width: ');
fprintf('The area is %.2f\n', len*wid)
else
disp('Error! Not a valid choice.')
end
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回答（1 个）

Walter Roberson
Walter Roberson 2021-12-24
if variable == value1
code1
elseif variable == value2
code2
else
error message
end
can be replaced by
switch variable
value1: code1
value2: code2
otherwise: error message
end

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