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Re: Re: Deleting duplicates from a list


What's wrong with just Union here?

   Union[{8,8,11,11,19}]
{8,11,19}

Adriano Pascoletti wrote:
> This is the unsorted union problem, which can be efficiently solved  
> using Sow and Reap (see Help Browser > Reap > Further Examples)
> 
> In[8]:=UnsortedUnion[x_] := Reap[Sow[1, x], _, #1 & ][[2]]
> 
> In[9]:=UnsortedUnion[{8, 8, 11, 11, 19}]
> 
> Out[9]={8, 11, 19}
> 
> Adriano Pascoletti
> 
> On 14 mag 2007, at 09:25, Raul Martinez wrote:
> 
>> Hi all,
>>
>> I have a list, e.g., {8, 8, 11, 11, 19}. I want to eliminate all
>> duplicates so the list becomes {8, 11, 19}. Can anyone suggest a
>> command that will do this?
>>
>> TIA,
>>
>> Raul Martinez
>>
> 
> 

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