common data in two arrays

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Lakshmi Chodavarapu
编辑： Lakshmi Chodavarapu 2021-8-26
I have one array(c ) of 30Kx15 sixe and one structure array(r.data), 25Kx19 size. Need to find rows with similiar coloumn data from both arrays and join them. in a particular order. Using the following code. But found its too time taking. Can someone suggest effiicient code please
k=1;
for i=1:length(r.data)
for j=1:length(cdataf)
if(r.data(i,3:9)==c(j,3:9))
finaldata(k,:)=[c(j,1:9) r.data(i,10:13) c(j,10:15)];
k=k+1;
end
end
end
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Ive J
Ive J 2021-8-26
what about this tiny modification?
[loc, lor] = ismember(cdataf(:, 3:9), r.data(:, 3:9), 'rows');
rd = r.data(lor(loc), 3:9);
Lakshmi Chodavarapu
Lakshmi Chodavarapu 2021-8-26
Many thanks. It worked out well. Grateful to you.

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