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
Thank you Michael but I do not have either on my machine.
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.
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)
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
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 -
*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-SAGE question and am hoping someone can point me to a
source that discusses the solution. I am trying to find a rational
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 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 you mean Ideal.groebner_basis i.e
if this doesn't work.
On 8/6/07, David Stahl [EMAIL PROTECTED] wrote:
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
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:
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