Description Usage Arguments Value Author(s)
View source: R/retina-package.r
Ramanujan approximation divided by two. p \approx π * [3(a+b)-√{(3a + b)(a + 3b)}] in half
1 | semi_ellipse_perimeter(a, b)
|
a |
Major axis (longer) |
b |
Minor axis (shorter) |
semielliptical perimeter in same units as input
Brian Cohn brian.cohn@usc.edu, Lars Schmitz
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