- 33 Weisstein, Eric W. "
Helicoid". MathWorld.
Retrieved 2020-06-08.
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Helicoids. "
Helicoid",
Encyclopedia of Mathematics...
-
meridian of the
generalized helicoid.
Simple examples of
generalized helicoids are the
helicoids. The
meridian of a
helicoid is a line
which intersects...
- In
fluid dynamics, an
isotropic helicoid is a
shape that is helical, so it
rotates as it
moves through a fluid, and yet is isotropic, so that its rotation...
-
Serpiginous choroiditis, also
known as
geographic helicoid peripapillary choroidopathy (GHPC), is a rare, chronic, progressive, and
recurrent bilateral...
- {d} (u)=(\cos u,\sin u,ku)} is a helix. The
helicoid is a
special case of the
ruled generalized helicoids. The
parametric representation x ( u , v ) =...
- ****ociate
family of surfaces, a
catenoid can be bent into a
portion of a
helicoid, and vice versa. The
catenoid was the
first non-trivial
minimal surface...
-
Straight helicoid 640 g 82 mm 102 mm Not
necessary Built-in (L39,Y48, O56,R60) 16 mm F3.5
Fisheye 180° 11–8 Auto 3.5–22 0.2 m -
Straight helicoid 180 g 31 mm...
-
minimal surfaces made by
rotating a
catenary once
around its
directrix helicoids: A
surface swept out by a line
rotating with
uniform velocity around an...
- two-parameter
families of
rigid motions and the
surfaces of
revolution and
helicoids are the only
surfaces with a one-parameter family. The
basic elements...
-
projection necessarily distorts at
least some distances. The
catenoid and the
helicoid are two very different-looking surfaces. Nevertheless, each of them can...
