findout the repeating element and the no of time of repeated in a matrix

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navan
navan on 26 May 2015
Commented: Image Analyst on 26 May 2015
i do have a matrix
A=[1,2,3,4,5,5,6,7,8,8,8, 9]
how can i find the repeating values and the no of times it is repeated. answer i expected is
repeatvalues=[5, 8]
Nooftimerepeated=[2,3]
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Image Analyst
Image Analyst on 26 May 2015
Are the numbers always integers? Or can they be fractional/irrational numbers? (It makes a difference.)

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Answers (1)

Andrei Bobrov
Andrei Bobrov on 26 May 2015
Edited: Andrei Bobrov on 26 May 2015
A=[1,2,3,4,5,5,6,7,8,8,8, 9]
a = unique(A);
b = histc(A,a);
t = b > 1;
repeatvalues = a(t);
Nooftimerepeated = b(t);

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