Hi William,
FYI: The "insufficient quota" error is a know issue with Windows
2000K. The fix is to install service pack 3.
David
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Hi William,
Thank you for your reply. I read mabshoff's link but it doesn't have
any guidance for me. My machine with SAGE on it is dedicated to work
and does not have any extraneous software on it. SAGE 2.8 worked fine
doing much more memory intesive work than the problem that made it
crash.
Thank you Michael but I do not have either on my machine.
David
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SAGE suddendly stopped running on my machine and I did not do
anything. I am running SAGE 2.8 with Win2000 using the notebook. I
have reset vmware, upped the memory available to the max recommended,
rebooted my machine. All to no avail. The message is:
Operation on file "C:\sage-vmware-2.8\Ub
I have a system of polynomial equations with rational coefficients and
I have one rational solution. I am trying to find a recurrence
relation that will allow me to generate additional rational
solutions. The equations are:
A6x0^2+A5x1^2+A4x2^2+A3x0x1+A2x0x2+A1x1x2+A0=0 (a)
B6y0^2+B5y1^2+B4y2^
I am trying to determine whether the coefficient of a particular
variable is equal to zero. I am using SAGE 2.8 in Win2000 using the
SAGE Notebook. My working example is below including the output.
Thank you.
David
R1 = PolynomialRing(RationalField(),4, ["x4","x3","x2","x1"], "lex")
x4,x3,x2
I am trying to find what variables have zero as a coefficient and have
been unsuccessful. Here is what I tried:
I2=I.groebner_basis()
f=SR(I2[0])
g=f.coeff()
print g
0
print g=='0'
False
groebner_basis(), SR(), and coeff() work fine but I can't figure out
how to test it. Does any on
mogeneous
> coordinates) if it exists:
> f := func N*P2.3^2))> where P2 is ProjectiveSpace(Rationals(),2);
>
> Hope you find this useful.
> Greetings,
>
> Utpal
>
> On Sep 20, 9:40 pm, David Stahl <[EMAIL PROTECTED]> wrote:
>
>
>
> > I have a non-
I have a non-SAGE question and am hoping someone can point me to a
source that discusses the solution. I am trying to find a rational
solution for x and y to the equation:
Ax^2 + Bxy + Cy^2 + Dx + Ey + F =0(1)
where the coefficients are rational. This can be transformed to:
xprm^2 - d*ypr
I need to generate large, random integers and tried to use
ntl.ZZ_random(). Unfortunately the output is not recognized by sage
as an integer and I don't see any information in the reference guide
about such a conversion. Any guidance would be appreciated. Thank
you.
David
--~--~-~--~
; wrote:
> On 9/14/07, David Stahl <[EMAIL PROTECTED]> wrote:
>
>
>
> > I am using the sage command groebner_basis().
>
> > David
>
> OK, this just seems like a case of showing you an example will
> answer the question. Let me know if it does
I am using the sage command groebner_basis().
David
On Sep 14, 1:05 pm, Martin Albrecht <[EMAIL PROTECTED]>
wrote:
> On Friday 14 September 2007, David Stahl wrote:
>
> > Can anyone tell me how to extract the coefficients from the results of
> > groebner()?
>
> Dou
Can anyone tell me how to extract the coefficients from the results of
groebner()? I tried using coeff() but it gives me the error "object
has no attribute coeff". Thank you.
David
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I upgraded to 2.8 but the problem with scipy persists.
David
On Aug 15, 3:34 pm, "William Stein" <[EMAIL PROTECTED]> wrote:
> Please upgrade to sage-2.8:
>http://sagemath.org/SAGEbin/vmware/
>
> On 8/15/07, David Stahl <[EMAIL PROTECTED]> wrote:
>
>
My ability to import scipy is hit and miss. Sometimes it works but
often it does not. I can't seem a pattern to it. I am using the same
notebook work sheet each time. Here is the worksheet commands:
import scipy
from scipy import optimize
optimize.fmin?
Some times the help text for fmin appe
Thank you William. Can you tell me how to determine the ip address of
the vmware machine? Other postings imply that just typing "notebook"
will give it to you but that's not what I have experienced.
David
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thenotebook, so I could be
> wrong. You can search the archives if this doesn't work.
>
> ++++
>
> On 8/6/07, David Stahl <[EMAIL PROTECTED]> wrote:
>
>
>
> > I installed vmware, sage and firefox on my windows 2000 m
I installed vmware, sage and firefox on my windows 2000 machine. Sage
appears to work just fine from the command line but when I type in
notebook() I get the error "http://localhost:8000 : No such file or
directory". What am I doing wrong?
D
I just tried to install SAGE 2.7 but am having a problem. I installed
Firefox and VMware Player then unzipped SAGE. When I click on
sage.vmx I get the following error:
"Error while opening the virtual machine. This virtual mahine appears
to be in use. Configuration file: C:\sage-vmware-2.7\s
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