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January 17, 2017 03:50
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| on_circle_iter <- function(theta) { | |
| if(theta < 2*pi) theta else on_circle(theta - 2*pi) | |
| } | |
| on_circle <- function(theta) Vectorize(on_circle_iter, SIMPLIFY = FALSE) | |
| all(on_circle(pi*seq(0, 8, by = 2) == 0) |
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