MathGroup Archive 2010

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Matrix Form of Quadratic Equations


Salut

Resolve[ForAll[{x, y}, {x, y}.{{a, b}, {b, d}}.{x, y} == x^2 + y^2 - 2 x y],
Reals]

a == 1 && b == -1 && d == 1




"Ari" <arifin at finly.net> a =E9crit dans le message de
news:ico2b2$nq6$1 at smc.vnet.net...
> Hello,
>
> Could anyone guide me how to build a mathematica module to form a Matrix
> form from a quadratic equations?
> For example, x^2 + y^2 - 2 x y will output
> {{1, -1}, {-1, 1}} ?
>
> Thanks
>



  • Prev by Date: Mathematica and Symbolic Manipulation
  • Next by Date: Re: Can't read a package
  • Previous by thread: Re: Matrix Form of Quadratic Equations
  • Next by thread: Re: Matrix Form of Quadratic Equations