Three velocities
Create and test for three-velocities, 3vel objects.
`3vel`(n) threevel(n) as.3vel(x) is.3vel(x) ## S3 method for class 'vec' length(x) ## S3 method for class 'vec' names(x) ## S3 replacement method for class 'vec' names(x) <- value
n |
In function |
x,value |
Vectors of three-velocities |
Class vel is a virtual class containing classes 3vel and
4vel.
Function threevel() is a convenience wrapper for 3vel().
Robin K. S. Hankin
U <- r4vel(7) as.4vel(as.3vel(U)) # equal to U, to numerical precision x <- as.3vel(1:3/4) u <- as.3vel(matrix(runif(30)/10,ncol=3)) names(u) <- letters[1:10] x+u u+x # not equal
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