how to do intersection between 3 vectors?

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hello, I want to obtain the intersection between 3 vector as fellow :
A = [1,3,8,5];
B = [4,1,6,8];
C= [5,8,7,1];
ABC_inter=intersect(A,B,C,'stable')
the result should be :
ABC_inter=[1,8]
But I obtain this error, please help me to solve this problem and thanks in advance.
Error using intersect (line 101)
Invalid input. Valid flags are 'rows', 'stable', 'sorted', 'legacy', 'R2012a'.
Error in testerr (line 4)
ABC_inter=intersect(A,B,C)

Accepted Answer

Azzi Abdelmalek
Azzi Abdelmalek on 6 Aug 2015
A = [1,3,8,5];
B = [4,1,6,8];
C= [5,8,7,1];
ABC_inter=intersect(intersect(A,B,'stable'),C,'stable')

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