How to avoid for loop when indexing?
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Hello,
I have the following for loop, where pairs(500x10), is there to calculate cc without for loop?
for i=1:500
cc(i,:)=pairs(i,pairs(i,:));
end
4 个评论
Stephen23
2018-7-2
@Mantas Vaitonis: given that pairs contains non-integer values, what do you expect
pairs(i,pairs(i,:));
to do?
采纳的回答
Jan
2018-7-2
编辑:Jan
2018-7-2
s = size(pairs);
index = sub2ind(s, repmat((1:s(1)).', 1, s(2)), pairs)
cc = pairs(index)
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