Monday 31 December 2007 23:30:15 tarihinde John Cremona şunları yazmıştı:
> A spkg *is* a tarball: you can extract it using
> tar jxf eclib-20071231.spkg
> which will unpack it into eclib-20071231/ and all you need is in
> there/src.
Yes I know.
> As for explanations, my pre-Sage distribution
A spkg *is* a tarball: you can extract it using
tar jxf eclib-20071231.spkg
which will unpack it into eclib-20071231/ and all you need is in there/src.
As for explanations, my pre-Sage distribution had all that but I'll
have to look it up and update it.
As for packaging this for Linux distribu
Hi,
Monday 31 December 2007 18:19:15 tarihinde John Cremona şunları yazmıştı:
> The new package may be downloaded from
> http://www.warwick.ac.uk/staff/J.E.Cremona/eclib-20071231.spkg
Would it be possible for you to upload a tarball and maybe put a small page
explaining eclib? That would make ea
eclib-20071231.spkg is an updated version of cremona*.spkg which
allows elliptic curves as input with rational (as opposed to just
integer) coefficients.
The Sage interface to the library functions for mwrank (etc) will need
to be adapted to handle this. I expect that is best done as part of
the
I believe that it's fine in characteristics not 2 or 3. But once you
have checked equality of j-invariants (which is of course easy and
should be done first) and you have a candidate u, then computing r,s,t
appropriately will give a transform which is *guaranteed* to be
correct.
My question to y
On Dec 20, 2007, at 3:21 AM, John Cremona wrote:
> Topic 1: isomorphisms between Weierstrass models
>
> For Robert B as author of weierstrass_morphism.py: It's not a bug but
> I would recommend that you test for equality of j-invariants before
> doing the harder work (which you do by extracting
On Dec 20, 2007 10:18 AM, John Cremona <[EMAIL PROTECTED]> wrote:
>
> OK, I'm convinced. So the next version I submit of cremona*.spkg will
> in fact be called eclib-.spkg.
>
> I hope the release managers will cooperate!
They will.
> Incidentally, cremona-20071116 can be removed from the list o
OK, I'm convinced. So the next version I submit of cremona*.spkg will
in fact be called eclib-.spkg.
I hope the release managers will cooperate!
Incidentally, cremona-20071116 can be removed from the list of
optional packages currently available as it's an older version of what
is now a non-opt
On Dec 20, 2007 9:55 AM, John Cremona <[EMAIL PROTECTED]> wrote:
>
> eclib is ok (though I was tempted to make if jeclib ;))
If you make it eclib you increase the chances of getting
outside contributions a little maybe. Also, I personally
hope that your code gets picked up and improved a lot
by
eclib is ok (though I was tempted to make if jeclib ;)) though it does
not capture the new modular symbol functionality, it is snappier than
(say) meclib. Of course we should have started to think about this
back at SD6.
On 20/12/2007, William Stein <[EMAIL PROTECTED]> wrote:
>
> On Dec 20, 2007
On Dec 20, 2007 4:21 AM, John Cremona <[EMAIL PROTECTED]> wrote:
> Topic 2: package names.
>
> I am a little embarrassed that there is precisely one package (spkg)
> whose name is a person's name (especially when it apparently results
> in bug reports of the form "cremona causes fatal crash"). It
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