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Re: Re: solve for a squared variable

• To: mathgroup at smc.vnet.net
• Subject: [mg60458] Re: Re: [mg60424] solve for a squared variable
• From: "Ruth Lazkoz" <ruth.lazkoz at ehu.es>
• Date: Fri, 16 Sep 2005 05:36:36 -0400 (EDT)
• References: <200509150916.FAA15860@smc.vnet.net> <200509160749.DAA00670@smc.vnet.net> <a6e65e8d05091601107c5e6f8a@mail.gmail.com>
• Sender: owner-wri-mathgroup at wolfram.com

Thank you. I was aware of that possibility. I was only wondering if there is 
a more elegant procedure, perhaps using patters or whatever.
----- Original Message ----- 
From: "Zhengji Li" <zhengji.li at gmail.com>
To: mathgroup at smc.vnet.net
Subject: [mg60458] [work] Re: [mg60424] solve for a squared variable


> That's because x^2 is not recognized as a symbol.
>
> let t = x ^ 2, then Solve[t + y == 1, t], you will get the result 
> immediately.
>
> -- 
> Li Zhengji
> -------------------------------------------------------------
> If all you have is a hammer, everything is a nail.
> -------------------------------------------------------------
> 

• References:
  • Re: Why this function does not return a single value
    • From: Bill Rowe <readnewsciv@earthlink.net>
  • solve for a squared variable
    • From: "Ruth Lazkoz" <ruth.lazkoz@ehu.es>