hyperbolas
Synonyms
Examples
A few other lengths are used to describe hyperbolas.
For instance, the power series is absolutely convergent in the set between two hyperbolas.
In architecture, hyperbolas and parabolas in windows, arches, and doors are common, and decorative mouldings 'grow' into plant-derived forms.
Elliptic coordinates A family of confocal hyperbolas is the basis of the system of elliptic coordinates in two dimensions.
For convenience, hyperbolas are usually analyzed in terms of their centered East-West opening form.
Hence, the conjugate hyperbola does not in general correspond to a 90° rotation of the original hyperbola; the two hyperbolas are generally different in shape.