Hi:
I'm wondering if the following possible error (in 2.10.3.rc0) is already known,
or if I'm just doing something stupid:
sage: R. = PolynomialRing(QQ, 4)
sage: I = ideal(b^2-a*c, c^2-b*d, a*d-b*c)
sage: F = I.groebner_fan(); F
Groebner fan of the ideal:
Ideal (b^2 - a*c, c^2 - b*d, -b*c + a*d)
On Mon, Mar 3, 2008 at 12:18 PM, David Joyner <[EMAIL PROTECTED]> wrote:
Hi David,
> Hi:
> I'm wondering if the following possible error (in 2.10.3.rc0) is already
> known,
> or if I'm just doing something stupid:
>
it is already known, but not fixed as far as I know. There is no track
tick
Current 2.10.2 VMware image seems to have SCSI virtual disk type. This
causes problems with other VM software, such as VirtualBox that
supports only IDE images. As it doesn't really matter which drive type
is used in VM, a little change in VMware images to use IDE allows to
expose these images to
On Mon, Mar 3, 2008 at 8:48 AM, anatoly techtonik <[EMAIL PROTECTED]> wrote:
>
> Current 2.10.2 VMware image seems to have SCSI virtual disk type. This
> causes problems with other VM software, such as VirtualBox that
> supports only IDE images. As it doesn't really matter which drive type
> i
On Mon, Mar 3, 2008 at 1:01 PM, Chris S. <[EMAIL PROTECTED]> wrote:
>
> I am trying to install sage 2.10.2 on Ubuntu 7.10. I have tried both
> installation from a precompiled binary and from source. Each led to an
> error (below). I also tried installing sage 2.10.1 from source which
> had the
I am trying to install sage 2.10.2 on Ubuntu 7.10. I have tried both
installation from a precompiled binary and from source. Each led to an
error (below). I also tried installing sage 2.10.1 from source which
had the same error as version 2.10.2:
First, installing a precompiled binary:
[EMAIL PR
On Mon, Mar 3, 2008 at 8:01 PM, Chris S. <[EMAIL PROTECTED]> wrote:
> gzip: stdin: invalid compressed data--crc error
>
> gzip: stdin: invalid compressed data--length error
> tar: Child returned status 1
> tar: Error exit delayed from previous errors
As William said, you didn't get the full f
Isn't this the same problem as 2358? Same source probably.
-M.Hampton
On Mar 3, 6:04 am, "Michael Abshoff" <[EMAIL PROTECTED]>
wrote:
> On Mon, Mar 3, 2008 at 12:18 PM, David Joyner <[EMAIL PROTECTED]> wrote:
>
> Hi David,
>
> > Hi:
> > I'm wondering if the following possible error (in 2.10.3
On Mar 4, 1:12 am, Marshall Hampton <[EMAIL PROTECTED]> wrote:
> Isn't this the same problem as 2358? Same source probably.
>
> -M.Hampton
Hi Marshall,
it is either tightly related or the same issue. So far no one seems to
have taken a serious stab at this [AFAIK].
Cheers,
Michael
--~--~--
On Mon, Mar 3, 2008 at 7:24 PM, [EMAIL PROTECTED]
<[EMAIL PROTECTED]> wrote:
>
>
>
> On Mar 4, 1:12 am, Marshall Hampton <[EMAIL PROTECTED]> wrote:
> > Isn't this the same problem as 2358? Same source probably.
> >
> > -M.Hampton
>
> Hi Marshall,
>
> it is either tightly related or the same
On Mar 4, 1:30 am, "David Joyner" <[EMAIL PROTECTED]> wrote:
> On Mon, Mar 3, 2008 at 7:24 PM, [EMAIL PROTECTED]
>
> <[EMAIL PROTECTED]> wrote:
>
> > On Mar 4, 1:12 am, Marshall Hampton <[EMAIL PROTECTED]> wrote:
> > > Isn't this the same problem as 2358? Same source probably.
>
> > > -M.Ham
Hector Villafuerte wrote:
> Hi,
> I would like to plot the gradient (i.e. vector field) of functions
> such as f(x,y) = exp(-(x^2 + y^2)); in this case:
> grad(f(x,y)) = vector([ -2*x*exp(-(x^2 + y^2)), -2*y*exp(-(x^2 + y^2)) ])
>
> Initially I tried with plot_vector_field, but as of now it just
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