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Hi,I have a vector which contains 10 entries. I choose 6 entries among all entries. now I want to find out the index of chosen entries. how can i do this.?

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fariba amini
fariba amini 2016-7-16
关闭： MATLAB Answer Bot 2021-8-20
for example: A=[1 3 5 2 7 4 9 1 4 5]; and chosen entries=[1 5 7 4 9 5].and the index I need to calculate is:[1,3,5,6,7,10]. I have no idea how to calculate index of chosen entries. thanks in advance

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Azzi Abdelmalek
Azzi Abdelmalek 2016-7-16
编辑：Azzi Abdelmalek 2016-7-16
idx=find(ismember(A,entries))
%or maybe you want this
A=[1 3 5 2 7 4 9 1 4 5]
entries=[1 5 7 4 9 5]
B=A;
for k=1:numel(entries)
idx(k)=find(B==entries(k),1);
B(1:idx(k))=nan;
end
idx

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