Jove! it's stupidity on my part.
Thanks
Le jeudi 13 février 2020 16:16:23 UTC+1, Jean-François Ingenbleek a écrit :
>
> var("u,v,l",domain=RR)
> sigma = vector([u*cos(v),u*sin(v),l*u])
> Dsigma = matrix([[diff(s,u) for s in sigma],[diff(s,v) for s in
> sigma]]).tra
var("u,v,l",domain=RR)
sigma = vector([u*cos(v),u*sin(v),l*u])
Dsigma = matrix([[diff(s,u) for s in sigma],[diff(s,v) for s in
sigma]]).transpose()
print(Dsigma)
EFG = (Dsigma.transpose())*Dsigma
EFG.simplify_trig()
print(EFG)
gives
[ cos(v) -u*sin(v)]
[ sin(v) u*cos(v)]
[l
Excuse me, I forgot the question:
maybe there is simpler, but I do not understand where the error lies.
Thank you in advance for your help
Le jeudi 6 février 2020 16:45:06 UTC+1, Jean-François Ingenbleek a écrit :
>
> I would just like to calculate the norm of the vector tangent to a
, Jean-François Ingenbleek
> wrote:
>>
>> Here is the list of my $path
>>
>> C:\Program Files (x86)\Common Files\Oracle\Java\javapath;
>> C:\Program Files\ImageMagick-7.0.8-Q16;
>> C:\Program Files\ImageMagick-7.0.5-Q16;
>> C:\Program Files (x86)\Intel\iCLS
find TexLive
help is really welcome
Le jeu. 30 janv. 2020 à 15:46, Jean-François Ingenbleek <
jingenb...@gmail.com> a écrit :
> a better solution, is to remove texlive from your $PATH environment
> variable
>
> hum, hum... how to do that?
> thanks in advance
>
> Le
anuary 30, 2020 at 9:27:56 AM UTC+1, Dima Pasechnik wrote:
>>>
>>>
>>>
>>> On Thu, 30 Jan 2020, 08:09 Jean-François Ingenbleek,
>>> wrote:
>>>
>>>> indeed
>>>>
>>>> Norton/McAfee/Symantec antivirus or antispyw
your quick intervention
Le mercredi 29 janvier 2020 14:21:03 UTC+1, Jean-François Ingenbleek a
écrit :
>
> Be careful! Do not go to version 9 if you work under windows8 !!
>
> an instruction as simple as
>
> plot(x*sin(1/x),x,-2,2,plot_points=500)
>
> gives
>
> opt/sa
Be careful! Do not go to version 9 if you work under windows8 !!
an instruction as simple as
plot(x*sin(1/x),x,-2,2,plot_points=500)
gives
opt/sagemath-9.0/local/lib/python3.7/site-packages/matplotlib/font_manager.py:281:
UserWarning: Matplotlib is building the font cache using fc-list. This m
No nothing helps ... it doesn't work better.
I think that you should not switch to sagemath9 if it is practically
impossible to use matplotlib !!
Le mardi 28 janvier 2020 13:07:08 UTC+1, E. Madison Bray a écrit :
>
> On Saturday, January 25, 2020 at 5:03:54 PM UTC+1, Je
steps did you follow to install SageMath
>
> Assuming that for 3 you use the windows binary (please
> confirm), I reported the issue on
>
> https://github.com/sagemath/sage-windows/issues/42
>
> It would be nice to know 1 as well.
>
> Best
> Vincent
>
> Le 18
alas, it does not work at all ... I am a little lost in the multiple
directories of sagemath (windows 8.1).
You must warn against using sagemath 9.0 yet !!
Le lun. 20 janv. 2020 à 11:05, Dima Pasechnik a écrit :
> On Mon, Jan 20, 2020 at 9:44 AM Jean-François Ingenbleek
> wrote:
> &
More than an hour that the program displays the message ... is this normal?
thanks a lot
Le samedi 18 janvier 2020 16:18:59 UTC+1, dimpase a écrit :
>
> On Sat, Jan 18, 2020 at 02:00:06AM -0800, Jean-François Ingenbleek wrote:
> > G = Graph({'A':['B','C&
G = Graph({'A':['B','C']})
G.show()
give this strange message
/opt/sagemath-9.0/local/lib/python3.7/site-packages/matplotlib/font_manager.py:281:
UserWarning: Matplotlib is building the font cache using fc-list. This may
take a moment.
'Matplotlib is building the font cache using fc-list. '
Thank to Emmanuel!
Le samedi 11 janvier 2020 11:49:08 UTC+1, Jean-François Ingenbleek a écrit :
>
> Hi,
>
> I just installed version 9 of Sagemath including version 3 of the Python
> kernel.
>
> Does Sagemath contain its own version of Python3 so that it is possible to
Hi,
I just installed version 9 of Sagemath including version 3 of the Python
kernel.
Does Sagemath contain its own version of Python3 so that it is possible to
uninstall another standalone version of Python3?
Big thanks to everyone.
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This complains about objective-C. Try
CC=clang OBJC=clang
François
On Friday, November 10, 2017 at 12:35:48 PM UTC+13, Ahmed Allibhoy wrote:
>
> Hi,
>
> I am trying to install matplotlib on sage with the OSX backend so I can
> get interactive plots. Using
>
>
now http://trac.sagemath.org/ticket/18642
>
> On Tuesday, June 9, 2015 at 12:11:52 AM UTC+2, Volker Braun wrote:
>>
>> You have a file named "conf.py" in the current working directory. A
>> workaround is to start Sage in a different directory.
>>
>>
Hello everyone,
I'm facing an error with the question mark after any kind of function. Here
is an error log with 'PolynomialRing' :
https://gist.github.com/anonymous/f9adbc3ec08dac0892a6
I cannot access the documentation with '?' but it works with :
sage: help(PolynomialRing)
I'm running Manj
ot $lib in atlas, cblas, f77blas and lapack.
François
On Saturday, April 4, 2015 at 9:12:57 AM UTC+13, Caleb Reister wrote:
>
> Here it is.
>
> On Friday, April 3, 2015 at 11:51:24 AM UTC-7, François wrote:
>>
>> I need the config,log in /home/pi/Desktop/sage-6.5/
>>
I need the config,log in /home/pi/Desktop/sage-6.5/
local/var/tmp/sage/build/iml-1.0.4p1 (it may be in
a subfolder called "src").
François
On Friday, April 3, 2015 at 5:17:37 PM UTC+13, Caleb Reister wrote:
>
> I’ve tried all of those ideas, and none of them have worked. I ha
Just to be clear Juergen, do you have the problem with a sage-on-gentoo
install
as you seem to point out in
https://bugs.gentoo.org/show_bug.cgi?id=512284#c11
If so while it is interesting it is not usually the right forum. In this
case report it
on github at
https://github.com/cschwan/sage-on-g
ction breadth_first_search of Sage or if there is an easiest way
to get this vertex.
Thanks,
François
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That's exactly what I wanted to do
f = F([omega],check=False)
Thank you :)
Le jeudi 8 mai 2014 08:16:41 UTC+2, Martin Albrecht a écrit :
>
> Hi Nils,
>
> On Wednesday 07 May 2014 16:43:03 Nils Bruin wrote:
> > On Wednesday, May 7, 2014 9:58:48 AM UTC-7, François Col
K. = Q.quotient(Phi_m)
What I want to do is a way to evaluate polynomials of K in a power of a
primitive square root of unity:
omega = CC(e^(2*I*pi/m))
F = Hom(K, CC)
f = F([omega])
TypeError: images do not define a valid homomorphism
Does anyone see another way to do this?
Thanks,
François
-
#x27;\\g 1')
that turns the debug mode on, but I have the same problem : it prints
out too many things.
Thanks
Jean-François
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Hi,
I know Dag, we have had that conversation together in the past on
sage-devel.
I guess we should sit on that one along with my partner in crime
Christopher.
Francois
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Well on top of Burcin's answer and I should add a disclaimer I am working
here:
http://www.ucsc.canterbury.ac.nz/
as a support person, so I feel for you. I am currently doing installs on
power7
hardware from IBM and I want to use a vocabulary that is wholly
inappropriate
for a public forum to
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