How to make a function operate on a vector of arbitrary length
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I have written a function to compute the factorial of a positive integer and return error results if something that isn't a positive integer is input into the function. However, I need to extend this so that the function can be applied to a vector of any length and will find the factorial of each element individually. How do I go about doing this?
function s = sfactorial(x)
if x < 0
error('x must be positive')
elseif floor(x) ~= x
error('x must be an integer')
else
result=1;
for i = 1:x
result=result*i;
end
end
result
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Stephan
2018 年 11 月 2 日
function s = sfactorial(x)
if x < 0
error('x must be positive')
elseif floor(x) ~= x
error('x must be an integer')
else
result=ones(1,numel(x));
for k = 1:numel(x)
for i = 1:x(k)
result(k) = result(k)*i
end
end
end
s = result;
end
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