The syntax "R.<A,d> = QQ[]" creates a polynomial ring in two variables, with generators A and d (bound to the current session). A^d is not a polynomial in A and d over QQ.
sage: R.<A,d>=QQ[] sage: R Multivariate Polynomial Ring in A, d over Rational Field On Sun, Mar 17, 2013 at 12:51 AM, Rolandb <[email protected]> wrote: > Hi, QQ[] is a field of rationals fractions and ZZ[] of integers. > The following puzzles me: > > sage: R.<A,d>=QQ[] > sage: factor(A^d+2*A-3) > Traceback (most recent call last): > ... > TypeError: non-integral exponents not supported > > sage: R.<A,d>=ZZ[] > sage: factor(A^d+2*A-3) > Traceback (most recent call last): > ... > TypeError: non-integral exponents not supported > > > Or is the message "non-integral exponents not supported" not clear to me? > > Sage Version 5.7 Windows > > Roland > > -- > 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 post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/sage-support?hl=en. > For more options, visit https://groups.google.com/groups/opt_out. > > -- 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 post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sage-support?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
