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Re: What is causing this error message?


NSolve[{x^3y + xy - 10 == 0, xy^2 - xy + 6 == 0}, {x, y}]

Don't use the SET symbol "=" with equations but
instead the EQUAL symbol "=="  (2 close equals)

        ~Scout~

"Bookreader" <bookreader127 at yahoo.com> ha scritto nel messaggio 
news:d7hake$3qc$1 at smc.vnet.net...
> 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.
> 


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