On 5/30/07, john_perry_usm <[EMAIL PROTECTED]> wrote:
>
> That worked. Thanks!
>
> > I'm seriously considering including this (and a few other optional
> > packages) standard in all binary installs. It would only increase
> > the download size by 30MB, and would avoid confusion. Any
> > thoughts about this?
>
> I like the idea. I doubt that anyone downloading SAGE will be
> perturbed by 30 more megabytes. :-) If you don't, I'd suggest that the
> tutorial and/or the SAGE error message be modified to point out how to
> install the optional package.
Good idea. I've added this:
bsd0:~/d/doc/tut was$ hg export 141
# HG changeset patch
# User William Stein <[EMAIL PROTECTED]>
# Date 1180542123 25200
# Node ID 82156d5ba1f814f475d8db7d196eeda7ff16bba2
# Parent efd69e672d04b3358d0d6be1bf8326560e0f6c25
Add a paragraph suggested by John Perry.
diff -r efd69e672d04 -r 82156d5ba1f8 tut/tut.tex
--- a/tut/tut.tex Wed May 30 09:08:55 2007 -0700
+++ b/tut/tut.tex Wed May 30 09:22:03 2007 -0700
@@ -445,8 +445,23 @@ sage: K = NumberField(x^3 + x^2 - 2*x +
sage: K = NumberField(x^3 + x^2 - 2*x + 8, 'a')
sage: K.integral_basis()
[1, a, 1/2*a^2 + 1/2*a]
+\end{verbatim}%link
+
+The next command will not work unless the optional
+package \code{database_gap-4.4.9} is installed. Type
+\code{optional_packages()} in \sage for a list of
+optional packages, find the one that starts with
+\code{database_gap-4.4.9}, and install it with the
+command \code{install_package('database_gap-4.4.9')}.
+(Note -- the 4.4.9 may change.)
+%link
+\begin{verbatim}
sage: K.galois_group() # requires optional database_gap package
Transitive group number 2 of degree 3
+\end{verbatim}%link
+
+%link
+\begin{verbatim}
sage: K.polynomial_quotient_ring()
Univariate Quotient Polynomial Ring in a over Rational Field with
modulus x^3 + x^2 - 2*x + 8
sage: K.units()
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