清空筛选条件
清空筛选条件

How could I check that how many elements of x is inside y?

2 次查看（过去 30 天）
VIJENDRA
VIJENDRA 2015-9-23
编辑： Stephen23 2015-9-23
Suppose I have
x = [2,7,8,11];
and
y = [1,2,4,5,7,8,9,12,15,21,27]
How could I check that how many elements of x is inside y?

请先登录，再回答此问题。

采纳的回答

Stephen23
Stephen23 2015-9-23
编辑：Stephen23 2015-9-23
You can use ismember:
>> x = [2,7,8,11];
>> y = [1,2,4,5,7,8,9,12,15,21,27];
>> ismember(x,y)
ans =
1 1 1 0
>> sum(ismember(x,y))
ans = 3

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Matrices and Arrays 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by