Unfortunately, this is a known issue
http://trac.sagemath.org/ticket/13892
It has to do with a change they made in Mathematica 9. Personally, my
work-around is just to use Mathematica 8, though someone has proposed an
actual fix that has not yet been incorporated into Sage:
http://trac.sagema
Hello!
I always have the same problem, and I don't know why it doesn't work
on my computer; I have sage.4.0.2 installed.
--> 44 sage_stuff = sage_eval(string,locals=
{'E':'E','x':'x','y':'y'})
45 return sage_stuff
46
/usr/local/src/sage-4.0.2/local/lib/python2.5/site-packages
Hi Felix,
On Sat, Aug 15, 2009 at 11:06 PM, thelamecamel wrote:
>
> Hi Viny,
>
> The following works for me:
>
> def mmatosage(mma_list):
># Convert the mathematica object to a string
>string = repr(mma_list)
># Convert mathematica-style {} to python style []
>string = string.repl
Hi Viny,
The following works for me:
def mmatosage(mma_list):
# Convert the mathematica object to a string
string = repr(mma_list)
# Convert mathematica-style {} to python style []
string = string.replace('{','[').replace('}',']')
# Replace mathematica's crazy exponent notati
Hello everybody!
Thanks for your help.
I'm realizing that i'm definitely really bad in sage, perhaps i'll be
best in another life!!lol!
This is a piece of a code for changing a symbolic mathematica list
expression to a sage list expression:
def mmatosage(mma_list):
# Convert the mathematica
Oh right, sorry. I always do that and then remember after the syntax
error...
On Aug 14, 6:35 pm, William Stein wrote:
> On Fri, Aug 14, 2009 at 4:32 PM, Marshall Hampton wrote:
>
> > You probably have to pass in the "dx" as a local variable, i.e. do
> > something like
>
> > sage_stuff = sage_e
On Fri, Aug 14, 2009 at 4:32 PM, Marshall Hampton wrote:
>
> You probably have to pass in the "dx" as a local variable, i.e. do
> something like
>
> sage_stuff = sage_eval(expr, locals = {'dx' = 'dx'})
It's {'dx':'dx'} or something like that. Definitely not 'dx' = 'dx'.
>
> where expr is your m
You probably have to pass in the "dx" as a local variable, i.e. do
something like
sage_stuff = sage_eval(expr, locals = {'dx' = 'dx'})
where expr is your mathematica expression.
-Marshall Hampton
On Aug 14, 1:49 pm, Viny wrote:
> Thanks for your help Felix, with your ideas i made progresses.
Thanks for your help Felix, with your ideas i made progresses. But the
problem isn't fixe yet. Since i have some symbolic variable such 'dx'
in my expressions, the
code's line --> 500 return eval(string, {'I': numpy.complex(0,1)})
generate this folowing error
NameError: name 'dx' is not define
Hi Viny,
Sage's mathematica support at present seems to be geared towards
sending data to mathematica and printing the results to the screen,
rather than getting mathematica's results back into sage for data
manipulation. So the going may be a little rough.
Sage can convert its own arrays into
Viny wrote:
>
> On 13 août, 10:47, Viny wrote:
>> Hi,
>>
>> I have a problem of memory into maxima when it performs a symbolic
>> expression of an hessian matrix. This symbolic expression of the
>> hessian seems to be too big. My sage program is written using python.
>> And i want to compute the
Viny wrote:
> Hi,
>
> I have a problem of memory into maxima when it performs a symbolic
> expression of an hessian matrix. This symbolic expression of the
> hessian seems to be too big. My sage program is written using python.
> And i want to compute the hessian matrix with mathematica 6.0 in my
On 13 août, 12:26, Viny wrote:
> On 13 août, 10:47, Viny wrote:
>
> > Hi,
>
> > I have a problem of memory into maxima when it performs a symbolic
> > expression of an hessian matrix. This symbolic expression of the
> > hessian seems to be too big. My sage program is written using python.
> >
On 13 août, 10:47, Viny wrote:
> Hi,
>
> I have a problem of memory into maxima when it performs a symbolic
> expression of an hessian matrix. This symbolic expression of the
> hessian seems to be too big. My sage program is written using python.
> And i want to compute the hessian matrix with m
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