ppinit(file)
file
| string giving file name |
The file should contain
the number of points
a header (ignored)
xl xu yl yu scale
x y (repeated n times)
x
, y
, xl
, xu
, yl
, yu
ppregion
to set the domain.
ppregion
towns <- ppinit("towns.dat") par(pty="s") plot(Kfn(towns, 10), type="b", xlab="distance", ylab="L(t)")