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How do I vectorize the following code?

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David
David 2018-1-18
评论： Matt J 2018-1-18
Hi,
I'm having trouble vectorizing the following code. The result should be a matrix with an upper triangle.
data = 1:1:10;
nn = length(data);
for x = 1:nn
for y = x:nn
X(x,y) = (data(y) - data(x)) / data(x);
end
end
All help gratefully received!

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Matt J
Matt J 2018-1-18
X = triu(data(:)./data(:).' - 1)
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Matt J
Matt J 2018-1-18
You're welcome, but please Accept-click the answer to signify that it solved your problem.

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