swap values of an array

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Mazhar Ali
Mazhar Ali 2019-2-1
评论： madhan ravi 2019-2-1
Hi! Every one
I have an array O = [11 12 13 21 14 22 23 31 25 24 32 33 34] ;
I want to swap a value with its adjacent value at two positions.The postions are defined by vector
v=[5 10]
I want output to be like
out = [11 12 13 21 22 14 23 31 25 32 24 33 34];
The number 14 is replaced by its adjacent 22 at postion 5.
Similarly,
The number 24 is replaced by its adjacent 32 in posioton 10.

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回答（2 个）

Guillaume
Guillaume 2019-2-1
Trivially done:
O = [11 12 13 21 14 22 23 31 25 24 32 33 34];
v = [5 10];
O([v;v+1]) = O([v+1;v]); %v must be a row vector for this to work.
Luna
Luna 2019-2-1
Hi Mazhar Ali,
Try this below:
for i = 1:numel(v)
temp = O(v(i));
replacemnt = O(v(i)+1);
O(v(i)) = replacemnt;
O(v(i)+1) = temp;
end

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