How do I remove duplicate values from vector without using unique (out of bounds problem)?

Question

George 2013-2-23

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https://ww2.mathworks.cn/matlabcentral/answers/64653-how-do-i-remove-duplicate-values-from-vector-without-using-unique-out-of-bounds-problem

I have a vector of numbers which has 6 elements from user input.

I want to replace any duplicate values with another value.

I tried:

myvec=zeros(1,6);
disp('Choose numbers from 1 to 55')
for i=1:6
    myvec(i)=input('');
    if (find(myvec(i)<1 | myvec(i)>55))
        disp('Enter new value')
        myvec(i)=input('');
    end
    if myvec(i+1)==myvec(i)
        myvec(i+1)==input('');
    end
end

My questions are:

1) Is the statement below correct?

if myvec(i+1)==myvec(i)
    myvec(i+1)==input('');
 end

2) When running it gives out of bounds because the vector length is 6 and I am trying to access i+1. I tried to use the for loop from 2:7 but then it adds in the myvec vector the zero as first element.

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Randy Souza 2013-2-25

I have restored the original text of this question.

George, this question has a clear subject and answer, so it may be valuable to someone else in the future. If you have a good reason why it should be removed from MATLAB Answers, please flag the question, explain why it should be deleted, and an administrator or high-reputation contributor will consider deleting the question. Please do not simply edit your question away.

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