Nothing
context("method det")
test_that("polyMatrix", {
init_data()
expect_equal(det(pm_first), p(2, -19, 3, -12, 50, 18))
expect_equal(det(pm_second), p(0))
})
test_that("minor", {
init_data()
expect_equal(minor(pm_first, 1, 2), p(0, 3, 1))
expect_equal(minor(pm_first, 1, 1), p(2))
})
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