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Re: plot primes only

  • To: mathgroup at
  • Subject: [mg88734] Re: plot primes only
  • From: Bill Rowe <readnews at>
  • Date: Thu, 15 May 2008 06:51:00 -0400 (EDT)

On 5/14/08 at 6:06 AM, markus.mooslechner 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

There are a number of ways to do this. For example,

In[1]:= Cases[Range@10, _?PrimeQ]

Out[1]= {2,3,5,7}


In[2]:= Select[Range@10, PrimeQ]

Out[2]= {2,3,5,7}

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