On Sunday, March 16, 2014 4:03:34 PM UTC-4, Ivo Pezelj wrote:
>
> Before this appears, there are some messages that are not overly
> motivating (like "Fast TSC calibration failed" and "SMBus base address
> uninitialized"), but as I never used this before I don't know if they are
> expected.
>
Th
Instead of *not(S == [])*, Python allows to simply use *not S*, and instead
of *not(r == 0)* you can use *r != 0*, and lastly instead of *S = S + [r]* you
can use *S.append(r)*, or *S += [r]* if you do not want to use OOP.
Christophe BAL
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Thanks a lot,
I also write something simplier
def Grob(G):
S=[1]
while not(S==[]):
S=[];
for i in range(0,len(G)):
for j in range(i,len(G)):
r= AlgoDivis(spol(G[i],G[j]),G)[1];
if not(r == 0):
S=S+[r];
You'd write it like this:
sage: sage.rings.polynomial.toy_buchberger.buchberger??
G = set(F.gens())
B = set(filter(lambda (x,y): x!=y, [(g1,g2) for g1 in G for g2 in G]))
while B!=set():
g1,g2 = select(B)
B.remove( (g1,g2) )
h = spol(g1,g2).reduce(G)
Hi,
A friend of mine had exactly the same problem: the virtual machine shut down
with "Caught signal 15" on Windows 8 64-bit. It seems that's because he
installed the 32-bit version of VirtualBox. After installing the 64-bit version
of VirtualBox (4.3.8), the problem disappeared and Sage works
Almost sure,
you can look in the pdf page 3
http://www.maths.qmul.ac.uk/~whitty/LSBU/MathsStudyGroup/Buchberger.pdf
It is exactly this one that I want to write.
Naturally it is a repeat loop because you enter at least once in the loop.
Le mardi 18 mars 2014 22:16:11 UTC+1, projetmbc a écrit :
>
Hello all,
I would like to apply Scipy weave in Sage (i.e., call inline C code from
Python).
Instructions are at http://www.sagemath.org/doc/numerical_sage/weave.html
When I copy the first example into a Sage Notebook cell, I get the following
error traceback:
In file included from
/Applicati
Are sure of the validity of your algorithm because you "always" append
element to the list S ?
2014-03-18 22:07 GMT+01:00 etienne mann :
> I want to program the Buchberger algo to compute a grobner basis. I know
> it is already in sage but for my students, I want them to rewrite it.
> The loop i
I want to program the Buchberger algo to compute a grobner basis. I know it
is already in sage but for my students, I want them to rewrite it.
The loop is something like
repeat:
S=[];
for i in range(1,len(G)):
for j in range(1,len(G)):
r= AlgoDivisi
Hello,
you have to learn Python a little before using Sage.
In Python you just have while and for loops.
What kind of repeat loop do you want to do ?
Christophe BAL
2014-03-18 21:57 GMT+01:00 etienne mann :
> Hi,
>
> I did not find a reference for programing a repeat loop in sage?
> Of course
Hi,
I did not find a reference for programing a repeat loop in sage?
Of course, I can also use a while loop but it seems strange that there is
no repeat loop :)
thx for a clue
Etienne
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It worked! So now I know what to do: point to the right sage exec in the
sage app folder lol! There are 2 and my simlink was pointing to the wrong
one.
Now texmaker does the job and I don't get the "??" anymore.
Thanks a lot!
Samuel
Le mardi 18 mars 2014 21:44:23 UTC+1, kcrisman a écrit :
>
>
On Tuesday, March 18, 2014 1:17:12 PM UTC-4, Dan Drake wrote:
>
> Sorry for the delay in replying...
>
> On Thu, 13 Mar 2014 at 08:20AM -0700, sde...@gmail.com wrote:
> > For the second method... I have been using TeXMaker
> > for quite a while and I really like the GUI so... I don't know what
I am gonna give you a headache hahaha
New error :
Process started
2014-03-18 21:35:24.278 Sage[1091:507] No Info.plist file in application
bundle or no NSPrincipalClass in the Info.plist file, exiting
Process exited with error(s)
I looked it up on the internet and apparently I can't use a
On Tue, Mar 18, 2014 at 12:31 PM, Kenneth A. Ribet wrote:
> Hi Everyone,
>
> I'm getting what I perceive to be an error when I compute some spaces of
> modular symbols mod 3. (Probably the same phenomenon occurs mod 2.)
> Specifically:
>
> sage: N=7*13
> sage: for l in primes(20):
> ...
Hi Everyone,
I'm getting what I perceive to be an error when I compute some spaces of
modular symbols mod 3. (Probably the same phenomenon occurs mod 2.)
Specifically:
sage: N=7*13
sage: for l in primes(20):
...
ModularSymbols(Gamma0(N),2,base_ring=GF(l)).cuspidal_submodule().dimension(
Jeroen: Thank for the suggestion to use the SAGE_INSTALL_GCC=yes option,
this solved most of the issues and lead me to a complete solution. The
updated GCC version allowed sage to compile with correctly passing the
-mtune and -march flags with the exception of the MPIR package. It would
stil
It looks as if there are infinitely many solutions. If you clear the
denominators, you get polynomials, with which you can compute a
lexicographical Gröbner basis of 15 elements (given below). The dimension
of the corresponding ideal is 4, which is admittedly the dimension of the
set of complex
Sorry for the delay in replying...
On Thu, 13 Mar 2014 at 08:20AM -0700, sder...@gmail.com wrote:
> For the second method... I have been using TeXMaker
> for quite a while and I really like the GUI so... I don't know what to do.
> Should I switch to TeXShop only when I compile with sagetex ?
Yo
On Tuesday, March 18, 2014 2:30:53 PM UTC+1, William wrote:
>
> Would you be interested in taking the full existing data and getting it to
> work in a clean ubuntu 12.04 VM?
> I think the main thing this would require is patience and django knowledge.
>
Sorry, I lack the django knowledge. I'm op
On Tue, Mar 18, 2014 at 6:22 AM, wrote:
> On Monday, March 17, 2014 5:37:23 PM UTC+1, William wrote:
>>
>> Sure if somebody will volunteer to configure this!
>
>
> Would you grant the required privileges to a person you don't know? I don't
> know what the current config looks like, but this doesn
On Monday, March 17, 2014 5:37:23 PM UTC+1, William wrote:
>
> Sure if somebody will volunteer to configure this!
>
Would you grant the required privileges to a person you don't know? I don't
know what the current config looks like, but this doesn't sound too
difficult. So if you want to (and ar
Dear all,
I am dealing with the following system of nonlinear equations
[R_1*S_2+S_1*R_2==-(1/2)*(T_1/T_4),S_1+S_2==-(1/2)*(T_3/T_4),R_1+R_2+4*S_1*S_2==(T_2/T_4),R_1*R_2==1/T_4]
in the real variables R_1,R_2,S_1 and S_2. What is the best way to
solve this system using Sage, if there is any?
I trie
It's not that I get an error message, the problem is that the parent of g
should be a multivariate polynomial ring rather than a sympy.core.add.Add
class object. After copying my Python code into the worksheet rather than
loading the file it works as expected, so I assume that changes the
inter
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