[back]  3.11. Plcker's Conoid 
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The Plcker Conoid [ 6,11,18 ] is represented by the following equations.
x = u sqrt(1  v ^{2} ) 
345 

y = u v 
346 

z = 1  v ^{2} 
347 
To represent the area, the two parameters u and v can assume the following values (domain of definition), for example.
u is an element from the set of numbers [2, 2] 

v is an element from the number set [1, 1] 
The Plcker's Conoid is an open figure, so the definition range can be changed with the plugin.
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