Re: recursively solve equation and save the values only

*To*: mathgroup at smc.vnet.net*Subject*: [mg125798] Re: recursively solve equation and save the values only*From*: markholtuk <markholtuk at googlemail.com>*Date*: Tue, 3 Apr 2012 04:46:11 -0400 (EDT)*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com*References*: <jlbo31$47o$1@smc.vnet.net>

sols[[All,2]] will do what you want. On Apr 2, 9:30 am, wyn smjy <wsmjy2... at gmail.com> wrote: > Dear All, > > I am new to Mathematica. I am trying to recursively solve equation and > saving the values into Table. Since I need the real solutions only so > I use Reduce. > > The following is my code: > > f = 5.68672 T + 6.46776 T^3 > > t = Table[i, {i, 0.2, 3, 0.2}] > > sols = Table[Reduce[f == t[[i]], T, Reals], {i, Length[t]}] {T == > 0.0351204, T == 0.06995, T == 0.104221, T == 0.137708, T == 0.170237, > T == 0.201687, T == 0.231988, T == 0.26111, T == 0.289058, T == > 0.315857, T == 0.34155, T == 0.366188, T == 0.389828, T == 0.412529, T > == 0.434347} > > The solution is OK as I compared it to other software as well. The > only thing that matters me is how to remove the T== , i.e. I just need > the solution and then to copy this into another table, say sols2 that > contains > > sols2 = {0.0351204, 0.06995, 0.104221, T == 0.137708,.., 0.434347} > > I tried the following: sols2 = T/.sols but produce the following > error: > > sols2 = ReplaceAll::reps: ... is neither a list of replacement rules > nor a valid dispatch table, and so cannot be used for replacing. >> > > Does anyone know how to remove the T==? > > Thank you, > > Wayan