# Hyperbolic cylinder

From Encyclopedia of Mathematics

A straight cylindrical surface of the second order with a hyperbola as directrix. The canonical equation of a hyperbolic cylinder has the form

$$\frac{x^2}{a^2}-\frac{y^2}{b^2}=1.$$

**How to Cite This Entry:**

Hyperbolic cylinder.

*Encyclopedia of Mathematics.*URL: http://encyclopediaofmath.org/index.php?title=Hyperbolic_cylinder&oldid=31511

This article was adapted from an original article by A.B. Ivanov (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article