How to do set subtraction

64 次查看（过去 30 天）
Mohammad Golam Kibria
I have two array a=[1,2,3] and b=[2,3,4,5]
I need a array c=b\a. Here \ is the set subtract operation. result is as follows:
i.e.c=[4,5]
How to do that in matlab. Thanks in advance.

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采纳的回答

Matt Fig
Matt Fig 2012-12-12
编辑：Matt Fig 2012-12-12
a = 1:3;
b = 2:5;
c = setdiff(b,a)

更多回答（1 个）

Vishal Rane
Vishal Rane 2012-12-12
Use
c = b(~ismember(b,a))
although there might be more simpler way to do this.

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