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How to print duplicate (repeated) value from an array?

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Dear experts,
I have to print the duplicate (repeated) value from the following array. Please help me.
104.96
81.01
-35.21
-150.76
145.22
104.96
20.62
-90.79
  2 Comments
Birdman
Birdman on 4 Jan 2018
Edited: Birdman on 4 Jan 2018
Have you tried my edited answer?
Dr. Hareesha N G
Dr. Hareesha N G on 4 Jan 2018
Yes sir. It works with data I had given before. But not for the data generated from the codes attached with the previous comment.

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Accepted Answer

Birdman
Birdman on 4 Jan 2018
Edited: Birdman on 4 Jan 2018
More simpler way:
[C,~,~]=unique(v);
val=sum(v)-sum(C)
Edit after Image Analyst's warning:(works for any situation)
[C,~,idx]=unique(v,'stable');
n=accumarray(idx(:),1);
vals=C(find(n~=1))
  3 Comments
Dr. Hareesha N G
Dr. Hareesha N G on 4 Jan 2018
Edited: Dr. Hareesha N G on 4 Jan 2018
Dear Image Analyst (Expert), Thanks for the help.
The code given by you works well in separate window. But, not along with code attached with this comment.
This is probably due to approximation in the values.
Will you please help me to resolve this issue?
Thanks in advance.
%%%%%%%%%%%%%%%%Code%%%%%%%%%%%%%%%%%%%% Eq1(x, y) = - (7542936551605719*x^4*y^4)/1125899906842624 + (10696071671072981*x^4*y^2)/1125899906842624 - (2027189923366279*x^4)/1125899906842624 + (344734164264965*x^3*y^3)/17592186044416 + (344734164264965*x^3*y)/17592186044416 + (11483540892015981*x^2*y^4)/562949953421312 + (37717533301837501*x^2*y^2)/562949953421312 + (5967794263776541*x^2)/562949953421312 + (344734164264965*x*y^3)/17592186044416 + (344734164264965*x*y)/17592186044416 - (5518597172048345*y^4)/1125899906842624 - (7318236082770031*y^2)/1125899906842624 - 22065837056766665/1125899906842624; Eq2(x, y) = (7824422850630965*x^4*y^3)/1125899906842624 - (2308676222391525*x^4*y)/1125899906842624 + (10019323566700193*x^3*y^4)/1125899906842624 + (4503576938460753*x^3*y^2)/562949953421312 - (1012169689778687*x^3)/1125899906842624 + (2308676222391525*x^2*y^3)/562949953421312 - (7824422850630965*x^2*y)/562949953421312 - (7994984187142819*x*y^4)/1125899906842624 - (13510730815382259*x*y^2)/562949953421312 - (19026477443621699*x)/1125899906842624 - (3207070405847915*y^3)/1125899906842624 - (13340169478870405*y)/1125899906842624; Eq1(x,y)=simplify((subs(Eq1(x,y),{a1,a2,a3},[1.41421 1.41421 0.8660254]))); Eq2(x,y)=simplify((subs(Eq2(x,y),{a1,a2,a3},[1.41421 1.41421 0.8660254]))); E1=Eq1(x,Y(1,1)); [X1]=double(solve(E1));
E2=Eq2(x,Y(1,1)); [X2]=double(solve(E2)); [X]=[X1;X2]; format bank % bank displays output in its shortest form, like fprintf statement for i = X(:,1); ver_1=double(Eq1(i,Y(1,1))); ver_2=double(Eq2(i,Y(1,1))); [ver] = [ver_1 ver_2]; end for i= X(:,1) [v]=atand(X)*2; end [C,~,idx]=unique(v,'stable'); n=accumarray(idx(:),1); vals=C(find(n~=1))
Image Analyst
Image Analyst on 4 Jan 2018
Hareesha, it looks like you accepted Birdman's answer, and that doesn't require the stats toolbox, so go with that.
Also, you might want to read this link

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More Answers (2)

Image Analyst
Image Analyst on 4 Jan 2018
Edited: Image Analyst on 4 Jan 2018
Here is one way:
v = [...
104.96
81.01
-35.21
-150.76
145.22
104.96
20.62
-90.79]
distances = pdist2(v, v) % In Stats toolbox
% Find where distances = 0
[rows, columns] = find(distances == 0)
for k = 1 : length(rows)
if rows(k) ~= columns(k) % Ignore diagonals
fprintf('Element at row %d (%f) is a repeat.\n', rows(k), v(rows(k)));
end
end
It shows:
Element at row 6 is a repeat.
Element at row 1 is a repeat.
  1 Comment
Dr. Hareesha N G
Dr. Hareesha N G on 4 Jan 2018
Sir, This code didnt work, as i dont have statistics toolbox. Thanks for your time!!

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Poornimadevi P
Poornimadevi P on 26 Jan 2018
hi, please help me to find duplication in sequence of image and send me a code .

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