Description Usage Arguments Value Author(s) See Also Examples
Test if points lie in convex hull
1 | inhulln(ch, p)
|
ch |
Convex hull produced using |
p |
An |
A booean vector with n
elements
David Sterratt
convhulln
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | p <- cbind(c(-1, -1, 1), c(-1, 1, -1))
ch <- convhulln(p)
## First point should be in the hull; last two outside
inhulln(ch, rbind(c(-0.5, -0.5),
c( 1 , 1),
c(10 , 0)))
## Test hypercube
p <- rbox(4, B=1)
ch <- convhulln(p)
tp <- cbind(seq(-1.9, 1.9, by=0.2), 0, 0, 0)
pin <- inhulln(ch, tp)
## Points on x-axis should be in box only between -1 and 1
pin == (tp[,1] < 1 & tp[,1] > -1)
|
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.