Compare each row of data with another vector data

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Ganesh Naik 2022-11-22

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https://ww2.mathworks.cn/matlabcentral/answers/1858913-compare-each-row-of-data-with-another-vector-data

评论： Ganesh Naik 2022-11-25

采纳的回答： Matt J

Data.mat

Hi all, I have two vectors each of two columns, different row length.

A B

I would like to check each row of A with each/all of B (they have different row lengths) and would like to assign '1' for each row A if its value falls in any of row B's values. I could able to achieve the answer in case of one column. Any help in this regard highly appreciated. I have include the data here.

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采纳的回答

Matt J 2022-11-22

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https://ww2.mathworks.cn/matlabcentral/answers/1858913-compare-each-row-of-data-with-another-vector-data#answer_1107693

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tmp=[discretize(A,[B(:,1);inf],'Inc','left'),...
     discretize(A,[-inf;B(:,2)],'Inc','right')];
out=all(tmp==tmp(:,1),2);

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Ganesh Naik 2022-11-22

Hi Matt, thanks for this version of the answer as well.

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Matt J 2022-11-22

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1858913-compare-each-row-of-data-with-another-vector-data#answer_1107663

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out=any(A(:,1)>=B(:,1).' & A(:,2)<=B(:,2).',2);

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Matt J 2022-11-22

编辑：Matt J 2022-11-22

Looks like you accepted the other one by mistake. However, I think the answer below is in fact the most efficient.

Ganesh Naik 2022-11-25

Hi Matt thanks, I have accepted this answer now.

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