How to change the positions of elements in a vector?

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Hi all, I need to find all the components of a vector that are equal to 3 and move them at the end of the vector. Any suggestion? Thanks

Answers (2)

Guillaume on 15 May 2017
v = [v(v ~= 3), v(v == 3)]; %assuming a row vector. If column vector replace , by ;

kowshik Thopalli
kowshik Thopalli on 15 May 2017
Using the find() function you can do this very easily.
[R,c]= find(myVector==3)
This gives you the positions of the elements which are equal to 3. Once you have this you can easily reorder. Hope this helps
kowshik Thopalli
kowshik Thopalli on 15 May 2017
The answer by Guillaume works. I would not have done it As elegantly as that answer

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