The following input:
from sympy import Symbol
QQ(1)+Symbol('x')*QQ(2)
produces an error:
TypeError Traceback (most recent call
last)
/Applications/sage/ in ()
/Applications/sage/element.pyx in
sage.structure.element.ModuleElement.__add__ (sage/structure/element
Thanks for the nice fix. I've managed to break things in a new way:
>>>
sage: from sympy import Symbol
sage: x,y=Symbol('x',False),Symbol('y',False)
sage: 1/2+y*x
x*y + 1/2
sage: y*x+1/2
1/2 + y*x
<<<
The 'False' argument to Symbol here means the symbols are non-
commutative. Adding a rational
ntually do everything? Will Sympy functionality replace
var?
-David
On Aug 28, 10:07 am, "William Stein" <[EMAIL PROTECTED]> wrote:
> On Thu, Aug 28, 2008 at 9:54 AM, Robert Bradshaw
>
>
>
> <[EMAIL PROTECTED]> wrote:
>
> > On Aug 27, 2008, at 1:54 P
I'm developing a package and trying to use sage -t to automatically
test examples I've put in the docstrings. On the documentation page
at http://www.sagemath.org/doc/prog/node29.html it says I can do
something like
"""
EXAMPLES:
sage: from foo import *
"""
where foo is not part of
AIL PROTECTED]>
wrote:
> On Aug 30, 2008, at 3:33 PM, David Ketcheson wrote:
>
>
>
>
>
> > I'm developing a package and trying to use sage -t to automatically
> > test examples I've put in the docstrings. On the documentation page
> > athttp://www.sagema
This works, but doesn't seem
like a good solution, and is, I think, another good reason to allow
the user to modify sage's startup pythonpath.
-David
On Aug 30, 8:32 pm, David Ketcheson <[EMAIL PROTECTED]> wrote:
> Sorry for not being clear. myfoo.py is the file with the do
e errors. It doesn't include the contents of my
SAGE_PYTHONPATH. If you know where the PYTHONPATH is set for 'sage -
t', could you add a request to modify that in the trac ticket too?
-David
On Aug 30, 8:56 pm, mabshoff <[EMAIL PROTECTED]> wrote:
> On Aug 30, 8:51 pm, David
I'm excited to see a major focus on numerics and PDEs in Sage. I'm
thinking of using Sage to teach numerical methods for PDEs here at
KAUST next semester.
-David
On Nov 20, 3:24 pm, William Stein wrote:
> Hi,
>
> Me and several people have been putting together a proposal to this NSF
> progra
Qualifications to answer this question:
-I have used MATLAB for 10 years in my research
-About 3 years ago, I mostly switched to Python+numpy/scipy/
matplotlib, and I lead a project that includes about a dozen people
developing code in Python
-I use SAGE (mainly the notebook) in my teaching.
Fo
I may have been too harsh in using the term 'disaster'. I am
certainly glad that scipy exists, but I use it with extreme caution.
First, it is quite disorganized. Say you want to solve an ODE.
First, you have to know to import scipy.integrate (importing scipy
doesn't give you scipy.integrate, fo
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