Decimals to Roman Numerals
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Hello I'm student currently studying MATLAB and I have a project to turn Decimals to Roman Numerals. I wanted to know if it was possible to make matlab recognize individual digits. eg. 1000 x1=1 x2=0 x3=0 x4=0
as then my code will follow into:
for number > 1000 if x1=1 roman= 'M' if x1= 2 roman='MM'
any help would be greatly appreciated thanks.
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José-Luis
le 3 Oct 2012
a = 1000;
a = num2str(a);
a = a - '0';
a is a row vector, where each element is one of your x's
2 commentaires
José-Luis
le 3 Oct 2012
If you want four digits, you could, for instance:
your_vals = repmat('0',1,4);
a = 900;
a = num2str(a);
your_vals(end-numel(a)+1:end) = a;
your_vals = your_vals - '0';
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Andrei Bobrov
le 3 Oct 2012
function ans = dec2rom(z)
d = [ 1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1];
c = {'M', 'CM', 'D', 'CD', 'C', 'XC', 'L', 'XL', 'X', 'IX', 'V', 'IV', 'I'};
[];
for ii = 1:numel(d)
if z >= d(ii)
ans = [ans,repmat(c{ii},1,fix(z/d(ii)))];
z = rem(z,d(ii));
end
end
% eg
>> dec2rom(2012)
ans =
MMXII
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