find the number of occurances

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johnson saldanha
johnson saldanha 2018-11-13
评论： johnson saldanha 2018-11-13
my matrix is x=[ 1 1 1 3 3 4 4 4 6 7]
i want the output as y=[ 3 2 3 1 1]
i want to find how many times a particular value is occuring

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采纳的回答

Stephan
Stephan 2018-11-13
编辑：Stephan 2018-11-13
y=sum(x(:)==unique(x))
Since 3 is occuring 2 times, the correct result is:
y=[3 2 3 1 1]
Best regards
Stephan
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Stephan
Stephan 2018-11-13
if you dont get it to work with this, use madhans code below.
johnson saldanha
johnson saldanha 2018-11-13
yeah i tried that it works. thank you

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madhan ravi
madhan ravi 2018-11-13
x=[ 1 1 1 3 3 4 4 4 6 7]
u = unique(x) %unique numbers
y=histc(x,u) %occurences
bonus = [u; y]' %relation between them

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