Dear Dominique,
On Wed, May 03, 2017 at 01:47:05PM -0700, Dominique Laurain wrote:
>Yes I can try to write a first draft of "START HERE WITH
>SAGEMATH" in french and in english For english text, a native
>speaker checking is suggested :-) .. (kind of rewriting what I
>can p
Hello Nicolas,
Yes I can try to write a first draft of "START HERE WITH SAGEMATH" in
french and in english
For english text, a native speaker checking is suggested :-) .. (kind of
rewriting what I can produce).
I used myself only the old website (regularly), the CD live (a little), the
sagec
See #22941 for a separate approach (independent of #22933, each ticket
fixes a different problem).
John
On Tuesday, May 2, 2017 at 2:33:27 PM UTC-7, Dima Pasechnik wrote:
>
> this is now #22933, ready for review.
>
> Note that it's not a complete fix;
>
> sage: vars()
>
> still fails
>
> sag
Not directly related, but I got notifications with one exception: closing
tickets. Would be nice to have those too.
--
Jori Mäntysalo
On 2017-05-03 18:09, Vincent Delecroix wrote:
> I did not receive the notifications from trac for ticket #18303 I am
> working on. Somebody knows what may have happend?
FWIW, I just received one from a ticket I participated.
However, for some time now (one week or so), I've sometimes experienced
Hello,
I did not receive the notifications from trac for ticket #18303 I am
working on. Somebody knows what may have happend?
Vincent
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Ralf Stephan wrote:
> Do I understand it right that then I can coerce a real to a complex
> ball and always back to a real without raising an exception?
Coerce, no; convert, yes, I think (assuming that by "a real" you mean
"an element of a RealField"), but that's an implementation detail, not
so
(Sorry, a typo sent this message incomplete...)
Idea : a mechanism allowing to obtain the right-hand expressin of
equalities such as :
sum(X(j)+Y(j),j,1,p)==sum(X(j),j,1,p)+sum(Y(j),j,1,p)
prod(X(j)*Y(j),j,1,p)==prod(X(j),j,1,p)*prod(Y(j),j,1,p)
integrate(f(x)+g(x),x,a,b)==integrate(f(x),x,a,b)+
On Wednesday, May 3, 2017 at 2:45:00 PM UTC+2, Marc Mezzarobba wrote:
>
> (Subsequent *operations* on those elements will be done with a precision
> of p, though.) This is convenient in combination with automatic
> coercion.
Do I understand it right that then I can coerce a real to a complex
Idea : a mechanism allowing to obtain the right-hand expressin of
equalities such as :
sum(X(j)+Y(j),j,1,p)==sum(X(j),j,1,p)+sum(Y(j),j,1,p)
prod(X(j)*Y(j),j,1,p)==prod(X(j),j,1,p)*prod(Y(j),j,1,p)
integrate(f(x)+g(x),x,a,b)==integrate(f(x),x,a,b)+integrate(g(x),x,a,b)
starting from their left-h
Request from Paul Zimmerman:
"Dear William,
I am preparing a project on the formal proof of some of the MPFR routines.
To help me convince the people that will approve this project, I'd like to
get feedback from MPFR users that a formal proof is important for them.
Sage is one of the main users
You may have noticed that somebody is painfully trying to make comparison
compatible with python3.
The semantics of comparison for RealInterval is "every element of A has the
given relation to every element of B". This will not change, as many people
are saying this is exactly what they want.
I
Hi,
Ralf Stephan wrote:
> This though seems buggy:
> sage: BF = RealBallField(precision=2)
> sage: BF(1.002)>BF(1.001)
> True
> sage: BF(1.002)-BF(1.001)
> [+/- 1.20e-7]
I don't think there is a bug here. The difference prints as an interval
containing zero, but this is a correct
It's ok as well now. I don't know what that was.
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Hello,
I understand that balls in general cannot be compared. However, integer
balls have zero size and actually real integer/rational balls can be
compared:
sage: RBF(2)>RBF(1)
True
This though seems buggy:
sage: BF = RealBallField(precision=2)
sage: BF(1.002)>BF(1.001)
True
sage: BF(1.
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