Re: Unique List
- To: mathgroup at christensen.cybernetics.net
- Subject: [mg371] Re: [mg358] Unique List
- From: Benno Puetz <puetz at london.ks.uiuc.edu>
- Date: Tue, 27 Dec 94 18:34:28 -0600
> I'm trying to simulate a lottery pick of 6 numbers between 1 and 42
> but no repeats are allowed. Any clever tricks to get a list with
> no members repeated?
Try:
In[1]:= <<DiscreteMath`Combinatorica`
In[2]:= ?RandomKSubset
RandomKSubset[l,k] returns a random subset of set l with exactly k
elements.
In[3]:= RandomKSubset[Range[1,49],6]
Out[3]= {7, 24, 34, 37, 41, 45}