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how to interchange array elements

Asked by Sivakumaran Chandrasekaran on 28 Mar 2013

my input is x=[11 12 13 14 15]. my output should be y=[15 12 13 14 11]. how to interchange particular values without disturbing other elements.?

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Sivakumaran Chandrasekaran

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2 Answers

Answer by Andrei Bobrov on 28 Mar 2013
x = [11 12 13 14 15];
y = x;
y([end,1]) = y([1,end]);

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Andrei Bobrov
Answer by Honglei Chen on 28 Mar 2013

Not sure if this is what you are looking for, but here is one way to do it, as long as you know the order

y = x([5 2 3 4 1])

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no. first element and last element should be interchanged is my objective..

Cedric Wannaz on 28 Mar 2013
 y = [x(end), x(2:end-1), x(1)] ;
Honglei Chen

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