On Saturday, January 7, 2017 at 10:54:36 PM UTC+1, vdelecroix wrote:
>
> Some symbolic expressions claim that they are not real
>
No. They just don't claim being real. The docstring says explicitly
"Return True if this expression is known to be a real number."
I guess we could (and should) make
On 2017-01-07 23:22, Vincent Delecroix wrote:
> Le 05/01/2017 à 18:05, Clemens Heuberger a écrit :
>>
>> Hello,
>>
>> On 2017-01-05 17:29, Frédéric Chapoton wrote:
>>> Tickets with untrusted authors are never looked at, unless you ask
>>> specifically so :
>>> {
>>> "Clemens Heuberger": "trus
Thank you for the information and opening the issue.
I checked the output in IPython provided by Sage 7.3 and Sage 7.4. I also
check the output in IPython 5.1.0 with the simple prompt.
It seems that both outputs in IPython 4 and IPython 5 are same. And the
behavior in IPython 5.1.0 with simple p
I asked in IPython community:
https://github.com/ipython/ipython/issues/10138
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I now see why that behavior was introduced in IPython. Just put your
example directly in the ipython, using "sage -ipython"
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This was reported earlier in
https://groups.google.com/forum/#!msg/sage-support/F6rDRrU59W8/kVbLWAtZAAAJ;context-place=searchin/sage-support/extra$20$20line
The presumed suspect was the recent update of the IPython underlying the
Sage command line. I am also annoyed by this. Your report seems to
Dear all,
It seems that for an object obj, if repr(obj) contains a newline character,
then a blank line is printed when evaluating obj in the Sage command line
interface. I use SageMath 7.4 on Ubuntu 16.04.
To reproduce it, run Sage in the terminal and evaluate the following code.
Extra blank
Dear Arpit,
Any cleaning of the wiki is more than welcome.
Some concrete random remarks:
1) The main GSoC page should remain
https://wiki.sagemath.org/GSoC
And, if I had to rewrite it, I would keep it as short as possible.
However having guidelines for students and tutors would be good. I wo
Le 05/01/2017 à 18:05, Clemens Heuberger a écrit :
Hello,
On 2017-01-05 17:29, Frédéric Chapoton wrote:
Tickets with untrusted authors are never looked at, unless you ask specifically
so :
{
"Clemens Heuberger": "trusted",
"Roswitha Rissner": "not trusted"
}
that's clear. My config.
Hello,
Some symbolic expressions claim that they are not real
sage: cos(pi/7).is_real()
False
sage: (exp(I*pi/7) + exp(-I*pi/7)).is_real()
False
But conversion to real floating points perfectly works
sage: RR(cos(pi/7))
0.900968867902419
sage: RR(exp(I*pi/7) + exp(-I*pi/7))
1.80193773580484
I
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