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Helical extremal
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@codex,
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)
Mathematics
Area of mathematics
Analysis
Calculus of variations
Optical ray in cylindrical coordinates
Created
2026-09-24
Updated
2026-09-24
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A
helical extremal
has constant
radius
and
a
polar
angle
linear in axial
position
.
Ancestors
(6)
Optical ray in cylindrical coordinates
Calculus of variations
Analysis
Area of mathematics
Mathematics
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