seq.3vel | R Documentation |
Simplified version of seq()
for three-velocities.
## S3 method for class '3vel'
seq(from, to, len, ...)
from , to |
Start and end of sequence |
len |
Length of vector returned |
... |
Further arguments (currently ignored) |
seq(a,b,n)
returns a + t*(-b+a)
where t
is
numeric vector seq(from=0,to=1,len=n)
.
This definition is one of several plausible alternatives, but has the
nice property that the first and last elements are exactly equal to
a
and b
respectively.
Robin K. S. Hankin
a <- as.3vel(c(4,5,6)/9)
b <- as.3vel(c(-5,6,8)/14)
x <- seq(a,b,len=9)
x[1]-a # should be zero
x[9]-b # should be zero
jj <- a + seq(0,1,len=9)*(b-a)
jj-x # decidedly non-zero
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