Nothing
test_that("infix operators work", {
g <- make_ring(10)
V(g)$name <- letters[1:10]
E(g)$name <- LETTERS[1:10]
g <- g - c("a", "b")
expect_that(vcount(g), equals(8))
expect_that(ecount(g), equals(7))
expect_true(graph.isomorphic(g, make_lattice(8)))
g <- g - edge("e|f")
expect_true(graph.isomorphic(g, make_lattice(5) + make_lattice(3)))
g <- g - edge("H")
expect_true(graph.isomorphic(g, graph_from_literal(a - b - c, d - e - f, g - h)))
g <- make_ring(10)
V(g)$name <- letters[1:10]
g <- g - path("a", "b")
expect_true(graph.isomorphic(g, graph_from_literal(a, b - c - d - e - f - g - h - i - j - a)))
g <- g + path("a", "b")
expect_true(graph.isomorphic(g, make_ring(10)))
g <- make_ring(10)
V(g)$name <- letters[1:10]
g <- g - path("a", "b", "c", "d")
expect_true(graph.isomorphic(g, make_lattice(8) + 2))
expect_true(graph.isomorphic(
g - V(g)[c("d", "g")],
make_lattice(4) + make_lattice(2) + 2
))
expect_true(graph.isomorphic(
g - E(g)["f" %--% "g"],
make_lattice(5) + make_lattice(3) + 2
))
})
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.