[julia-users] Re: How can I find the common elements of two matrix(or arrays)?

[siyu song]

But intersect doesn't tell us the index of the elements in the 
matrix(array), I think. 
在 2016年7月4日星期一 UTC+9上午3:14:54，Fred写道：
>
> intersect(a,b)
> union(a,b)
>
> Le dimanche 3 juillet 2016 19:54:02 UTC+2, siyu song a écrit :
>>
>> In MATLAB, it's easy to do this by using : find(Mat_a == Mat_b). Is there 
>> an easy similar way to do this? 
>>
>