Need help with conversion program
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Need help creating a program that is capable of converting from cm or in or ft into units of cm or in or ft. If incorrect units are input by the program user print an appropriate message and do not perform conversion.
ex] Command window should prompt 3 times:
Enter the Input Distance: 1
Enter the input Units(cm,in,ft): ft
Enter output units to convert to(cm,in,ft): in
1 ft = 12 in
ex]
Enter the Input Distance: 1
Enter the input Units(cm,in,ft): x
Incorrect input units
Thanks
采纳的回答
Anuj
2014-2-13
There can be many solutions for this, smaller one also, but for a beginner level, this will sure work for you.
d= input('Enter the Input Distance: ');
i= input('Enter the input Units(cm,in,ft): ');
o= input('Enter output units to convert to(cm,in,ft): ');
switch i
case 'cm'
if o=='in'
x=d/2.54;
else
if o=='ft'
x=d/30.48;
else
if o=='cm'
x=d;
end
end
end
case 'in'
if o=='in'
x=d;
else
if o=='ft'
x=d/12;
else
if o=='cm'
x=2.54*d;
end
end
end
case 'ft'
if o=='in'
x=d*12;
else
if o=='ft'
x=d;
else
if o=='cm'
x=d*30.48;
end
end
end
str = fprintf('%d %s = %d %s',d,i,x,o);
otherwise
disp('wrong input');
end
1 个评论
nor ain maisarah
2020-12-24
i did not get the answers using these codes, it appears that 'unrecognized cm' when i put cm in i input ?
更多回答（1 个）
Walter Roberson
2014-2-13
编辑：Walter Roberson
2014-2-13
Units=input('Enter Units Of Distance(cm,ft,in):', 's');
Also, use strcmp() to compare strings, not "="
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