# How to know the quatity of the number in an array

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uncung fgv on 16 May 2013
my data is:
A=[1 1 2 1 1 1 2 1 1 1 3 3 3 1 1 3 4 1 2 1 2 2 1 1 1 1 3 2 2 3 1 7 1 1 1 1 3 1 1 5 2 1 1 1 1 1 1 1 1 1 1 1 4 1 1 2 2 1 2 4 3 4 1 1 2 2 2 1 1 1 1 2 2 3 1 2 2 1 2 2 3 3 3 2 1 2 1 3 3 4 2 1 1 4 1 1 2 1 1 3 1 2 2 1 1 1 1 1 3 3 2 1 3 2 1 2 1 1 2 1 1 2 1 2 1 1 1 2 1 1 1 2 2 1 2 1 1 1 1 1 1 1 1 1 3 2 2 1 1 2 1 1 1 1 1 1 1 2 3 3 2 2 1 1 2 1 1 4 1 1 2 3 1 3 1 1 1 2 2 3 1 2 1 1 3 1 1 2 2 1 ]
I want to know how many times or the quantity of number 1 in my array.
thank you.
##### 1 CommentShow NoneHide None
uncung fgv on 16 May 2013
am I missing this question?
I dont know exactly in english.
I want to know how many times the 1, or 2, or 3 ... is mentioned in that array.

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### Accepted Answer

Azzi Abdelmalek on 16 May 2013
out=sum(A(A==1))
##### 7 CommentsShow 6 older commentsHide 6 older comments
uncung fgv on 16 May 2013
yes, thank you. sean de wolski. your answer is hidden.

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