[Tutor] comparing two numpy arrays

Eric Brunson brunson at brunson.com
Tue Aug 7 17:39:58 CEST 2007


Bob Gailer wrote:
> Andy Cheesman wrote:
>   
>> Hi people,
>>
>> If I've two numpy arrays, is there a non-looping way of finding common
>> values. (the example below has identical shapes for the arrays but this
>> may not be the case in my scenario)
>>
>> e.g
>> a = array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9])
>> b = array([ 5,  6,  7,  8,  9, 10, 11, 12, 13, 14])
>>
>> answer = array([ 5,6,7,8,9])
>>     
> Set union?
>
>   
Did you mean Set intersection?



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