El miércoles, 24 de marzo de 2021 a las 10:01:43 UTC+1, [email protected] escribió:
> I think the author uses "present" to say "generate" > >> >> I suppose you mean the finitely generated Z-module (abelian group) presented by the matrix, ie. its cokernel. In that case, you can do: sage: A=matrix([[1,-3],[-3,4]]) sage: ZZ^2/A.column_space() Finitely generated module V/W over Integer Ring with invariants (5) -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/47dcb142-e6af-49e6-81bc-ad8093d00362n%40googlegroups.com.
