From a7b393c90d9ad22641185e3b959ab17fc6e1e9d8 Mon Sep 17 00:00:00 2001 From: Michael Orlitzky Date: Wed, 2 Feb 2022 09:44:44 -0500 Subject: [PATCH] eja: change a misleading comment. --- mjo/eja/eja_algebra.py | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/mjo/eja/eja_algebra.py b/mjo/eja/eja_algebra.py index 7fd8578..f38128a 100644 --- a/mjo/eja/eja_algebra.py +++ b/mjo/eja/eja_algebra.py @@ -1800,14 +1800,13 @@ class RationalBasisEJA(FiniteDimensionalEJA): # Bypass the hijinks if they won't benefit us. return super()._charpoly_coefficients() - # Do the computation over the rationals. The answer will be - # the same, because all we've done is a change of basis. - # Then, change back from QQ to our real base ring + # Do the computation over the rationals. a = ( a_i.change_ring(self.base_ring()) for a_i in self.rational_algebra()._charpoly_coefficients() ) - # Otherwise, convert the coordinate variables back to the - # deorthonormalized ones. + # Convert our coordinate variables into deorthonormalized ones + # and substitute them into the deorthonormalized charpoly + # coefficients. R = self.coordinate_polynomial_ring() from sage.modules.free_module_element import vector X = vector(R, R.gens()) -- 2.44.2