View source for Hyperbolic cylinder

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

<table class="eq" style="width:100%;"> <tr><td valign="top" style="width:94%;text-align:center;"><img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/h/h048/h048240/h0482401.png" /></td> </tr></table>