Дмитрий, спасибо огромное.
Установка python2-cypari2 решила проблему.
Пишу Вам по-русски, потому что слышал Ваше имя раньше.
Добрый вечер. Максим.
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Dear friends,
I would appreciate help with the following crash report (in the attachment)
a few details:
* first run of Sage;
* System: Fedora 28, 64 bit
* Sage source: Fedora repository,
Sage 8.0-2.fc28
* $ uname -a
Linux toucan 4.17.3-200.fc28.x86_64 #1 SMP Tue Jun 26 14:17:07 UTC
2018
Adding a forget() directive next the reset does indeed prevent the
error.
I tried applying your patch, but I get:
patch -b trac_10855_ensure_that_reset_forgets.patch
patching file reset.pyx
Hunk #1 FAILED at 6.
Hunk #2 FAILED at 25.
Hunk #3 FAILED at 38.
3 out of 3 hunks FAILED -- saving rejects
Hello, I'd like to know if it's possible to get Sage to process the
following integrals:
reset()
var('x y z')
assume(z-16)
assume(z0)
integrate(integrate(1/16,y,-2,(z+2*x+4)/(x+2)),x,(-z-8)/4,2)
Sage always return: Is z+16 positive, negative, or zero?
Maxim
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Maple is able to solve this using the following code:
restart;
assume(z0);
int(int(1/16,y=-2..(z+2*x+4)/(x+2)),x=(-z-8)/4..2);
1 1 1
-- z + 1 + - z ln(2) - -- z ln(-z)
16 4 16
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Repeating the steps in the exact order you provided them from a
freshly started Sage does indeed work.
But, after a reset() command, it does not work anymore. Try the
following code:
var('x y z')
assume(z+160); assume(z0)
integrate(integrate(1/16,y,-2,(z+2*x+4)/(x+2)),x,(-z-8)/4,2)
reset()
I'm affraid I cannot help you on the Matlab front (I don't have it
installed), but have you considered using pyplot (from matplotlib)?
It's basically a clone of the Matlab plotting framework. I've used it
recently to make a semilog plot with excellent results.
On 1 mar, 12:57, sm123123
knowledgeable you are! :)
Ryan: I had not try the eps output. Nice to know!
Thanks to everyone,
Maxim
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Thanks Michael!
That's a nice workaround.
Should I open a ticket about it in trac? I haven't found this defect
listed there already.
Maxim
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matplotlib as mpl
mpl.rcParams['text.usetex'] = True
plt = plot(sin, -pi, pi)
plt.axes_labels([ 'Valeur', r\'{E}chantillon ])
save(plt,filename='/home/maxim/test.pdf')
Same thing happens if I try to use pyplot instead.
Any clues or other ideas?
Thanks,
Maxim
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/python2.6/site-packages/sage/plot/
plot.py, line 746, in axes_labels
self.__axes_labels = (str(l[0]), str(l[1]))
UnicodeEncodeError: 'ascii' codec can't encode character u'\xc9' in
position 0: ordinal not in range(128)
Any ideas?
TIA,
Maxim
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luck!
Maxim
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Hi everyone,
I've toyed a bit with SageTeX now that it supports XeLaTeX (that's
really nice), and stumbled on some encoding problem, when I try to use
french accentuation in comments.
For example, this works as intended:
\begin{sagecommandline}
sage: # This is a comment
sage: 2+2
I finally found how to do it. Simple, actually, I had just missed the
Typeset check in the notebook...
So, to start you need to have proper latex fonts. Install procedure
documented here: http://www.math.union.edu/~dpvc/jsMath/users/fonts.html
Now you need to tell jsMath to use these fonts. In a
}%
\end{figure}
\end{document}
% --- END
Save this under test.tex, for example, and generate a pdf using
pdflatex
pdflatex test.tex
Good luck and have fun!
Maxim
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Hmm, actually, to generate the output embedding the plots made with
sageplot, you need to do:
pdflatex test.tex
sage test.sagetex.sage
pdflatex test.tex
That's why I usually use makefiles to ease the process.
Maxim
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... If it already is, I
couldn't find it.
Thanks,
Maxim
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URL: http
I found the existence of the desired intersection function while
browsing the Set Partitions reference page (http://
combinat.sagemath.org/doc/reference/sage/combinat/set_partition.html).
Using two sets E1 E2, we can easily do:
E1.intersection(E2)
Solved! Thanks anyway :)
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force Sage to return a numerical results of this integral ?
Many thanks in advance,
Maxim
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http
Hello!
I am working with the builtin FFT Fast Fourier Transform of Sagemath,
and have coded (based on the work of P. Lutus here :
http://vps.arachnoid.com/sage/fourier.html) a function that takes an
fftobject to plot the spectrum of a function.
My problem is that when I pass the fftobject, I
Ok. I've found a way (to copy an fft object) :
lfft = len(fftobj)
fftobj_copy = FFT(lfft)
for i in range(lfft):
fftobj_copy[i]=fftobj[i]
If you see things which I could / should do another way in my code,
feel free to post your suggestions!
On Dec 18, 11:45 am, Maxim
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