What Is an Ellipse
If you don't know what is an ellipse you should imagine a wheel (e.g. bike wheel). It is blown off evenly.
Look at the picture!
The wheel is unusable now but on the other hand we have a perfect ellipse. Our life helps us to know math!
So, what is an ellipse in math? An ellipse is a geometric figure. You can get it in the geometric plane.
Here is the canonical equation of the ellipse:
|O(0;0)||-||the centre of the ellipse|
|A1(-a;0)||- the tops of the ellipse|
||A1A2| = 2a||-||the major axis of the ellipse|
||B1B2| = 2b||-||the minor axis of the ellipse|
||OA1| = |OA2| = a||-||the semimajor axis of the ellipse|
||OB1| = |OB2| = b||-||the semiminor axis of the ellipse|
So, the canonical equation of the ellipse with the centre (0;0) and the semimajor axis a, the semiminor axis b is:
If you need an ellipse with the centre in the point K(xo;yo), then you should use the equation:
|KA1| = |KA2| = a - the semimajor axis of the ellipse
|KB1| = |KB2| = b - the semiminor axis of the ellipse