Re: Solve or Reduce?

• To: mathgroup at smc.vnet.net
• Subject: [mg64398] Re: Solve or Reduce?
• From: Renan <renan.birck at gmail.com>
• Date: Wed, 15 Feb 2006 03:32:23 -0500 (EST)
• References: <dsrtsn\$592\$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

```Math Novice, in comp.soft-sys.math.mathematica:
>
> I'm looking to solve the equation
>
>   (13 Cos[q]-(5+8 Cos[f]))^2+(13 Sin[q]-(7+8 Sin[f]))^2?49
>
>   so that I can graph phi as a function of theta in the first quadrant only.
> A graph of the solution obtained using the Solve command produces unexpected results and
> I haven't used Mathematica much so I'm having trouble intrepreting the results that the
> Reduce operation produces.
> I understand that the solution is periodic but
> can someone interpret what the other symbols in the solution mean, e.g., C[1], &&, || etc.?

C[1], C[2], ... C[n] = arbitrary constant
&& = "And" operator (e.g. True && False == False, True && True == True)
|| = "Or" operator (e.g. False || True == True, False || False == True)

```

• Prev by Date: Re: Solve or Reduce?
• Next by Date: Re: Re: Comparison of Mathematica on Various Computers
• Previous by thread: Re: Solve or Reduce?
• Next by thread: Re: Solve or Reduce?