How to do column or row swapping or interchange in a matrix?

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SANDEEP SINGH RANA
SANDEEP SINGH RANA le 26 Déc 2021
Commenté : Joshua le 17 Avr 2024 à 16:41
Hi,
IFor example, In a matrix A = 3x5 , I want to swap complete column 2 with column 5.
How can i do that. Is there any in-built function or code?

Réponse acceptée

Voss
Voss le 27 Déc 2021
A(:,[5 2]) = A(:,[2 5]);
  2 commentaires
Stephen23
Stephen23 le 27 Déc 2021
+1 neat and simple
Joshua
Joshua le 17 Avr 2024 à 16:41
Thank you for the great comment!

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Yusuf Suer Erdem
Yusuf Suer Erdem le 26 Déc 2021
Try these codes below please;
A = [1, 2, 3, 4, 5; 4, 5, 6, 7, 8; 9, 10, 11, 12, 13]
v = A(:, 2);
A(:, 2) = A(:, 5);
A(:, 5) = v;
A
  2 commentaires
SANDEEP SINGH RANA
SANDEEP SINGH RANA le 26 Déc 2021
Thanks u.
I have this idea but searching for some inbuilt function.
Thanks again.
Yusuf Suer Erdem
Yusuf Suer Erdem le 27 Déc 2021
Hello use my codes below please. If this answer does your job, accept my answer please. After my research, i could not find a specific function just for this purpose.
A=[1 2 3 4 5; 6 7 8 9 10; 11 12 13 14 15];
A
A = A(:,[1 5 3 4 2])

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