countmember

バージョン 2.1 (1.87 KB) 作成者: Jos (10584)
Count members.
4.8
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更新 2019/1/20

ライセンスの表示

編集メモ: This file was selected as MATLAB Central Pick of the Week

C = COUNTMEMBER(A,B) counts the number of times the elements of array A are present in array B, so that C(k) equals the number of occurences of A(k) in B. A may contain non-unique elements. C will have the same size as A.
A and B should be of the same type, and can be cell array of strings.

Examples:
countmember([1 2 1 3],[1 2 2 2 2])
-> 1 4 1 0
countmember({'a','b','c'},{'a','x','a'})
-> 2 0 0

引用

Jos (10584) (2024). countmember (https://www.mathworks.com/matlabcentral/fileexchange/7738-countmember), MATLAB Central File Exchange. 取得済み .

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バージョン 公開済み リリース ノート
2.1

using histcounts now
2.0.0.0

updated from R13
1.1.0.0

improved help and comments, fixed some spelling issues
1.0.0.0

Reduced overhead by removing unnecessary dummy variables.