       Re: Mathematica issue

• To: mathgroup at smc.vnet.net
• Subject: [mg127848] Re: Mathematica issue
• From: "Nasser M. Abbasi" <nma at 12000.org>
• Date: Sun, 26 Aug 2012 05:45:30 -0400 (EDT)
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```On 8/26/2012 3:18 AM, Nasser M. Abbasi wrote:
>>
>> I need analytical expression for the x in terms of A,B,C,D and a,b,
>>
>
> try this:
>
> parms = {A0 -> 1, B0 -> 2, a -> 3, C0 -> 4, D0 -> 5, b -> 6}
> eq    = A0 + B0 + x^a (C0 - D0 x^b) == 0
> sol   = Solve[eq /. parms, x]

Opps, just noticed you want symbolic solution.
Mathematica 8.04 does not do it. I doubt this can be solved symbolically.
Need to use some numbers for the parameters.

Clear[A0, B0, a , C0, D0 , b]
eq = A0 + B0 + x^a (C0 - D0 x^b) == 0
Solve[eq, x]

Solve::nsmet: This system cannot be solved with the methods available to Solve. >>

--Nasser

```

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