switch case and inequalities
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So, say I wanted to disp('that's impossible') if a user enters an age over 150 or less than 0?
How could I do this for a switch case if I can't use inequalities?
I know that between 0 and 150, I could use case num2cell(0:150), but if I don't have bounds for less than zero & over 150, how could I use num2cell?
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回答(2 个)
Stephen23
2018-2-8
It is possible with switch:
age = 200;
switch true
case age>150
disp('that''s impossible!')
case age<0
disp('not born yet!')
end
But using if and elseif might be clearer.
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Aaron Winch
2018-2-7
switch Age
case num2cell(0:150)
disp('Valid')
otherwise
disp('that''s impossible')
end
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Aaron Winch
2018-2-8
switch Age
case num2cell(0:150)
disp('Valid')
otherwise
if(Age<0)
disp('that''s impossible')
else
disp('that''s unlikely')
end
end
Is there a reason you want to use a switch? If Age is manual input by a user, I think "case num2cell(0:150)' will only match with integers between 0 and 150, so if a user has the ability to input 25.75 for Age, nothing will happen with this logic.
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