Services & Resources / Wolfram Forums / MathGroup Archive
-----

MathGroup Archive 2001

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Output of "Solve" as a list

  • To: mathgroup at smc.vnet.net
  • Subject: [mg28894] Re: Output of "Solve" as a list
  • From: Ioan Alexandre Romoscanu <romoscanu at imes.mavt.ethz.ch>
  • Date: Fri, 18 May 2001 01:12:59 -0400 (EDT)
  • Organization: Swiss Federal Institute of Technology (ETHZ)
  • References: <9cldjh$18e@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

in: data = Solve[x^2 == 4, x]

in: solutions = {data[[1, 1, 2]], data[[2, 1, 2]]}

in: solutions^3


Doron wrote:

>    Asking for "Solve" command won't give a list , for example:
>
> In[23]:=
> data = Solve[x\^2 == 4, x]
> Out[23]=
> {{x -> -2}, {x -> 2}}
>
> But if I want to use the output , for example :
>
> In[24]:=
> data^3
> Out[24]=
> (  ( x -> (-2) }^3, ( (x -> {2) }^3  } .
>
> the software dosen't consider x-> ... , as a number ,
> but literally as "x->..." , so when asking data^3 it gives
> (x->...)^3 .
>
> Can anyone help me ? , thank you .

--
___________________________________________
alexandre ioan romoscanu          - institut für mechanik
CLA G31, eth zentrum,            8092 zürich, schweiz
tel. +41 1 632 77 54,                     +41 76 323 63 05
fax.+41 1 632 11 45, romoscanu at imes.mavt.ethz.ch
___________________________________________




  • Prev by Date: Re: Q: Recursion on a list
  • Next by Date: flat box under RealTime3D
  • Previous by thread: Re: Output of "Solve" as a list
  • Next by thread: LightYear Conversion is Incorrect in Units Package