How to detect repeated values between rows?
2 vues (au cours des 30 derniers jours)
Afficher commentaires plus anciens
Grace
le 16 Août 2014
Réponse apportée : Michael Haderlein
le 16 Août 2014
Hi I have
a= 1 2
3 1
2 3
2 3
3 2
1 1
I want to detect whether this matrix has repeated elements between rows or not. The condition is, the row must be subsequent to each other. Obviously, 3rd and 4th rows have same elements, hence display 'hello'. For another example,
b= 1 2
2 3
3 1
2 3
3 2
1 1
'b' have repeated elements in 2nd and 4th rows, but it does not fulfill the condition that the row is subsequent to another row. Hence, 'hello' will not be displayed.
How am I going to do this? Thank you.
0 commentaires
Réponse acceptée
Michael Haderlein
le 16 Août 2014
You can use the diff function:
if any(sum(abs(diff(a,1)),2)==0)
msgbox('hello')
end
0 commentaires
Plus de réponses (0)
Voir également
Catégories
En savoir plus sur Creating and Concatenating Matrices dans Help Center et File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!