ppi: Compute the primitive partition identities

In dkahle/latter: Interface to 'LattE' and '4ti2'

Compute the primitive partition identities

Description

ppi runs 4ti2's ppi program to compute the primitive partition identities, that is, the Graver basis of 1:N.

Usage

ppi(N, dir = tempdir(), quiet = TRUE, shell = FALSE, ...)

Arguments

N	A postive integer > 2
dir	Directory to place the files in, without an ending /
quiet	If FALSE, messages the 4ti2 output
shell	Messages the shell code used to do the computation
...	Additional arguments to pass to the function

Value

A matrix containing the basis as its columns (for easy addition to tables)

See Also

graver()

Examples

if (has_4ti2()) {

ppi(3)
t(ppi(3)) %*% 1:3
plot_matrix(ppi(3))

graver(t(1:3))
plot_matrix(graver(t(1:3)))

ppi(5, quiet = FALSE, shell = TRUE)

}

dkahle/latter documentation built on March 22, 2023, 9:05 p.m.