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Re: What is causing this error message?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg57567] Re: [mg57537] What is causing this error message?
  • From: Pratik Desai <pdesai1 at umbc.edu>
  • Date: Wed, 1 Jun 2005 06:02:18 -0400 (EDT)
  • References: <200505310900.FAA03456@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Bookreader wrote:

>	NSolve[{x^3y + xy - 10 = 0, xy^2 - xy + 6 = 0}, {x, y}]
>
>	Set::write: Tag Plus in -10 + x y + x^3  y is Protected. More?
>
>	Please tell me how to correct this.
>
>	Thanks.
>
>  
>
Your equality should be given by "==" not "="

 >>NSolve[{x^3*y + x*y - 10 == 0, x*y^2 - x*y + 6 == 0}, {x, y}]
 >>{{x -> 1.3816668276027286 + 1.029524719266747*I, y -> 
-0.10944924494990753 - 1.7069521833694496*I},
{x -> 1.3816668276027286 - 1.029524719266747*I, y -> 
-0.10944924494990753 + 1.7069521833694496*I},
{x -> -0.5104130440730468 + 1.7207856329128628*I, y -> 2.020349031327641 
+ 1.053973719710664*I},
{x -> -0.5104130440730468 - 1.7207856329128628*I, y -> 2.020349031327641 
- 1.053973719710664*I},
{x -> -1.742507567059357, y -> -1.42179957275547}}

-- 
Pratik Desai
Graduate Student
UMBC
Department of Mechanical Engineering
Phone: 410 455 8134



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