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3.18. Whitney Umbrella

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The Whitney Umbrella [ 6,11,18 ] is represented by the following equations.

 

x = uv

3-68

 

y = u

3-69

 

z = v2

3-70

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 [-1.5, 1.5]

 
 

v is an element from the set of numbers [-1.5, 1.5]

 

The Whitney Umbrella is an open figure, so the definition range can be changed in the plugin.


Fig. 22


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