Not on my machine. I even tried something like P=plot(something)
followed by P.save('filename'). The assignment works fine, but when it
tries to save the Sage kernel crashes.
The only workaround I have found is using SageCell. But that is not very
convenient if I need to save the result.
Fernando
On 11/26/2021 12:21 PM, Dima Pasechnik wrote:
On Fri, 26 Nov 2021, 17:20 Kai Weber, <aikju...@gmail.com> wrote:
Hi, I do have the same problem. I can't use plot() - not even a
plot(1) with a constant . I am running Sage 9.3 on Windows 11 and
Surface Book 3. I understand that the problem will not be solved
until Sage 9.5. But I need the plot() function now. Is there a
workaround or another way to plot data?
Does it work in a Jupyter notebook?
Thanks for your answers in advance,
Cheers, Kai
Matthias Koeppe schrieb am Donnerstag, 23. September 2021 um
18:36:45 UTC+2:
No, the 9.4 binaries have the same problem, as noted in
https://wiki.sagemath.org/ReleaseTours/sage-9.4#Availability_as_binaries_and_in_distributions
We have two tickets in the 9.5 development series that aim to
fix this problem:
- https://trac.sagemath.org/ticket/32424 (waiting for review)
- https://trac.sagemath.org/ticket/32488 (which will be in
9.5.beta2)
On Thursday, September 23, 2021 at 2:49:40 AM UTC-7 Dima
Pasechnik wrote:
On Wed, Sep 22, 2021 at 10:12 PM Fernando Gouvea
<fqgo...@colby.edu> wrote:
Update: the problem is machine-dependent. On one Dell
laptop, plot works with no problem. On a different
one, big crash.
We see this with other operating systems, too. Hopefully
fixed in 9.4, see
https://trac.sagemath.org/ticket/31565
Fernando
On 9/22/2021 3:49 PM, William Stein wrote:
---------- Forwarded message ---------
From: Fernando Q. Gouvea<fqgo...@colby.edu>
Date: Wed, Sep 22, 2021 at 12:26 PM
Subject: Re: [sage-support] Sage 9.3 for Windows crashing
To: William Stein<wst...@gmail.com>
At this point, only plotting has caused the problem. For
example:
sage: K=Qp(7)
sage: K
7-adic Field with capped relative precision 20
sage: a=K(8)
sage: a
1 + 7 + O(7^20)
sage: sqrt(a)
1 + 4*7 + 2*7^2 + 7^3 + 3*7^4 + 2*7^5 + 4*7^6 + 2*7^7 + 5*7^8 +
7^11 +
4*7^12 + 4*7^13 + 6*7^14 + 2*7^15 + 4*7^16 + 4*7^17 + 5*7^18 +
O(7^20)
sage: log(a)
7 + 3*7^2 + 7^3 + 6*7^4 + 5*7^5 + 2*7^6 + 7^7 + 5*7^8 + 4*7^9 +
4*7^10 +
2*7^11 + 5*7^12 + 7^13 + 5*7^14 + 6*7^15 + 2*7^16 + 2*7^17 +
2*7^18 +
7^19 + O(7^20)
That all works fine.
Fernando
On 9/22/2021 2:46 PM, William Stein wrote:
On Wed, Sep 22, 2021 at 11:36 AM Fernando Q.
Gouvea<fqgo...@colby.edu> wrote:
I just had SageMath 9.2 crash, so I tried installing 9.3. Alas,
I get the same problem. The offending command is pretty innocuous:
sage: plot(ln(1+x),(-1,5))
The Sage window then crashes. In the notebook I get a message
that the kernel just died. Running it in the Sage Terminal, sage crashes and
leaves this message behind:
------------------------------------------------------------------------
Unhandled SIGSEGV: A segmentation fault occurred.
This probably occurred because a *compiled* module has a bug
in it and is not properly wrapped with sig_on(), sig_off().
Python will now terminate.
------------------------------------------------------------------------
/opt/sagemath-9.3/src/bin/sage-python: line 2: 1535 Segmentation fault
(core dumped) sage -python "$@"
Any ideas as to what is going on?
Do lots of things you try cause problems like this or is it
just plotting?
E.g., what if you do some basic arithmetic with p-adic numbers,
e.g.,
some examples from here:
https://doc.sagemath.org/html/en/reference/padics/sage/rings/padics/tutorial.html
(Sorry, I can't help asking that given that I learned all about
p-adics from your book decades ago...)
Fernando
--
==================================================================
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Carter Professor of Mathematics
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fqgo...@colby.edu http://www.colby.edu/~fqgouvea
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