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Re: Roots selection

  • To: mathgroup at smc.vnet.net
  • Subject: [mg42997] Re: Roots selection
  • From: Bill Rowe <listuser at earthlink.net>
  • Date: Thu, 7 Aug 2003 00:54:01 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

On 8/6/03 at 3:16 AM, akhmel at hotmail.com (Alex) wrote:

> I am solving a cubic equation and I got 3 roots. How can select root
> number 2 for processing?

Try for example

In[1]:=
s=Solve[x^3-7 x - 6==0,x];

In[2]:=
x/.s[[2]]

Out[2]=
-1


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