Re: plot primes only
- To: mathgroup at smc.vnet.net
- Subject: [mg88734] Re: plot primes only
- From: Bill Rowe <readnews at sbcglobal.net>
- Date: Thu, 15 May 2008 06:51:00 -0400 (EDT)
On 5/14/08 at 6:06 AM, markus.mooslechner at chello.at (markus
mooslechner) wrote:
>a quick one: how can i tell mathematica to only list the primes from
>a list of data and omit the others? primeQ only tells me the boolean
>result
There are a number of ways to do this. For example,
In[1]:= Cases[Range@10, _?PrimeQ]
Out[1]= {2,3,5,7}
or
In[2]:= Select[Range@10, PrimeQ]
Out[2]= {2,3,5,7}