In this question you must write a MATLAB function that removes duplicate values

Question

In this question you must write a MATLAB function that removes duplicate values from a vector resulting in a new vector containing only unique values. For example, the unique element vector E of the vector x = [2 3 2 4 5 6 5 2 1 1] is E = [2 3 4 5 6 1] Note that the unique vector does not need to be sorted in any particular order, however it must contain only one of every distinct value of the input vector. Write a MATLAB function remove duplicates (x) that computes and returns the unique elements vector of the vector x. You must make sure that the vector x contains only numbers and if not return an appropriate error message.

Explanation / Answer

Program:

function [ result ] = remove_duplicates( E )
E=sort(E);
result=[];
result=E(1,1);
for i=2:size(E,2)
if(E(1,i-1)~=E(1,i))
result=[result E(1,i)];
end
end
end

Result:

>> E=[1 78 5 4 4 88 990 98 88 990 56 4434 44 33 78 5];
>> remove_duplicates(E)

ans =

1 4 5 33 44 56 78 88 98 990 4434

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