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Re: sqrt(x^2) = x

• To: mathgroup at smc.vnet.net
• Subject: [mg61161] Re: [mg61154] sqrt(x^2) = x
• From: wtplasar at ehu.es
• Date: Tue, 11 Oct 2005 04:49:58 -0400 (EDT)
• References: <200510110722.DAA15137@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

Hi,

I think Refine[Sqrt[x^2],x>0]

is what you need.

Bye,

Ruth


> Dear all, I am new in this group
> 
> How can I tell Mathematica that I want to simplify all expressions 
like 
> Sqrt[x^2] as x, whithout taking into account that x is or not a 
> positive real number?
> 
> Thank you very much
> 
> -- 
> ----
> Francisco Javier García Capitán
> http://garciacapitan.auna.com
> 

• References:
  • sqrt(x^2) = x
    • From: "Francisco Javier" <pacoga@ctv.es>