Hey,
I disagree; both go against OOP concepts and the Lie function too
ambiguous to me (for instance, I would probably try Lie(ZZ['x']) and expect
to get the Lie algebra of ZZ['x']).
Best,
Travis
On Friday, July 12, 2013 4:04:53 AM UTC+5:30, Eric Gourgoulhon wrote:
Le jeudi 11 juillet
We have just added a tutorial introducing the package at the page:
http://sagemanifolds.obspm.fr/documentation.html
A mailing list has also been opened:
http://sagemanifolds.obspm.fr/contact.html
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It looks very good. Just one remark: i think that the different functions
you define (Lie, xdef...) should be methods better than external functions.
In general, the use seems a bit confuding to me... i would say that it
looks much more mathematica-like than pythonic.
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Le jeudi 11 juillet 2013 21:26:43 UTC+2, mmarco a écrit :
It looks very good. Just one remark: i think that the different functions
you define (Lie, xdef...) should be methods better than external functions.
In general, the use seems a bit confuding to me... i would say that it
looks
Le dimanche 7 juillet 2013 10:39:30 UTC+2, vdelecroix a écrit :
Cool! It looks nice. How do you intend to define a manifold: numerically
(via fine triangulations) or via symbolic expressions? Both?
At the moment, a manifold is mostly defined as a set of charts with the
associated
Impressive work! I started improving my programming skills to try
implementing the Hodge star on DifferentialForms, I see you went much
further!
I'll immediately install the package, working on several examples, and asap
start contributing with it!
Congratulations!
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https://lh4.googleusercontent.com/-0IDPoNIN3ko/Udq6gYqcLMI/PEo/Smdr5rsJse8/s1600/SM_doc.png
I just installed SageManifolds package, and tried
sage: Chart?
to review the documentation, and the format is not OK, Is it just me or a
documentation `bug`?
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I'm trying to reproduce the examples in the page, starting with
Schwarzschild spacetime
So far I'm getting the following:
* When defining a `Chart`, say `X`, t
from manifolds.all import *
M = Manifold(4, 'M', r'M'); M
X = Chart(M, r't, r:positive, th:positive:\theta, ph:\phi', 'BL')
X
does not
On Monday, July 8, 2013 4:31:43 PM UTC+2, Dox wrote:
I'm trying to reproduce the examples in the page, starting with
Schwarzschild spacetime
So far I'm getting the following:
* When defining a `Chart`, say `X`, t
from manifolds.all import *
M = Manifold(4, 'M', r'M'); M
X = Chart(M,
Thx Michael, I didn't know that feature of sage notebook!
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To post to this
Hi,
Cool! It looks nice. How do you intend to define a manifold: numerically
(via fine triangulations) or via symbolic expressions? Both?
Are you aware of #9439 (hyperbolic geometry) and #10132 (surfaces embedded
in R^3) which are somewhat related?
Best,
Vincent
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This is a very nice package!
Are you aware of #9439 (hyperbolic geometry) and #10132 (surfaces embedded
in R^3) which are somewhat related?
As for #10132, I can see the functionality of that patch being subsumed
into this package, once the extrinsic manifold geometry has been
implemented.
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