单词 | Hyperboloid | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
释义 | HyperboloidA Quadratic Surface which may be one- or two-sheeted. The one-sheeted circular hyperboloidis a doubly Ruled Surface. When oriented along the z-Axis, the one-sheeted circular hyperboloidhas Cartesian Coordinates equation
for ![]()
(middle figure), or
(right figure). An obvious generalization gives the one-sheeted Elliptic Hyperboloid. A two-sheeted circular hyperboloid oriented along the z-Axis has Cartesian Coordinates equation
for ![]() ![]()
(Gray 1993, p. 313). Again, an obvious generalization gives the two-sheeted Elliptic Hyperboloid. The Support Function of the hyperboloid of one sheet
Fischer, G. (Ed.). Plates 67 and 69 in Mathematische Modelle/Mathematical Models, Bildband/Photograph Volume. Braunschweig, Germany: Vieweg, pp. 62 and 64, 1986. Gray, A. ``The Hyperboloid of Revolution.'' §18.5 in Modern Differential Geometry of Curves and Surfaces. Boca Raton, FL: CRC Press, pp. 296-297, 311-314, and 369-370, 1993. |
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