Linear Algebra with MapleV homework7



Email: lbg@kowon.dongseo.ac.kr


> with(plots):
> implicitplot3d( x^3 + y^3 + z^3 + 1 = (x + y + z + 1)^3,x=-2..2,y=-2..2,
> z=-2..2,grid=[13,13,13]);
>
> implicitplot(x^2 + y^2 = 1,x=-1..1,y=-1..1);
>
Draw the following quadratic equations.
  1. 2x^2 + y^2 - 12x -4y + 18 = 0.
  2. 5x^2 - 4xy + 8y^2 -36 = 0.
  3. 5x^2 - 4xy + 8y^2 + 20x/sqrt(5) - 80y/sqrt(5) + 4 = 0.

Draw the following quadric surfaces.
  1. 36x^2 + 9y^2 + 4z^2 - 36 = 0.
  2. 2x^2 + 6y^2 - 3z^2 = 18.
  3. 6x^2 - 3y^2 - 2z^2 - 6 = 0.
  4. 9x^2 + 4y^2 - z^2 = 0.
  5. 4x^2 + 36y^2 - 9z^2 - 16x - 216y + 304 = 0.
  6. 4x^2 + 4y^2 + 4z^2 + 4xy + 4xz + 4yz - 3 = 0.



[Last Update: 1999.6.4] Dongseo University Cyber Campus