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R/areapoly.R
In YplantQMC: Plant architectural analysis with Yplant and QuasiMC.
areapoly <- function(x.mat){
x.segmat <- cbind(x.mat, rbind(x.mat[2:nrow(x.mat), ],
x.mat[1, ]));
abs(sum(x.segmat[,1] * x.segmat[,4] - x.segmat[,3]
* x.segmat[,2])) / 2
}
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YplantQMC documentation built on May 2, 2019, 5:50 p.m.
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areapoly <- function(x.mat){
x.segmat <- cbind(x.mat, rbind(x.mat[2:nrow(x.mat), ],
x.mat[1, ]));
abs(sum(x.segmat[,1] * x.segmat[,4] - x.segmat[,3]
* x.segmat[,2])) / 2
}
Try the YplantQMC package in your browser
Any scripts or data that you put into this service are public.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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