# Homework Help: Ellipsoid equation

1. Jan 3, 2005

### tandoorichicken

What is the general equation for an ellipsoid (i.e., the general equation of a sphere is
$$(x-h)^2 + (y-j)^2 + (z-k)^2 = r^2$$

Where (h, j, k) is the center of the sphere) ?

2. Jan 3, 2005