If you have a table called A. And this table has three columns. How can you replace column three with column two?

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Paolo
Paolo 2018년 5월 24일
편집: Paolo 2018년 5월 24일
A = [1 2 3; 2 3 4; 3 5 6]
A =
1 2 3
2 3 4
3 5 6
A(:,3)=A(:,2)
A =
1 2 2
2 3 3
3 5 5
Eliah, I have noticed you have asked a few questions, however have never selected an answer as accepted. This would be helpful for the community as it makes helpful solutions stand out, which could then help other people who are facing the similar issues.
The above will not work exactly as written for a table() object. However you can use
A{:,3} = A{:,2};
Eliah Verbeemen
Eliah Verbeemen 2018년 5월 25일
I get the message Index exceeds matrix dimensions. Do you knwo why?
Walter Roberson
Walter Roberson 2018년 5월 25일
Are you sure that you are using a table() object and not a cell array or numeric array? And are you sure that your table object has three columns already?
Eliah Verbeemen
Eliah Verbeemen 2018년 5월 25일
Finnaly there is a working code. Probably re you right and was I working with a cell array. I have changed a lot of things untill it worked. Trail and error.
Walter Roberson
Walter Roberson 2018년 5월 25일
Please do not close questions that have an Answer.

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Akira Agata
Akira Agata 2018년 5월 25일
편집: Akira Agata 2018년 5월 25일

7 개 추천

If you have the latest version (R2018a), you can simply do it by movevars function, like:
yourTable = movevars(yourTable,2,'After',3);

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도움말 센터File Exchange에서 Tables에 대해 자세히 알아보기

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