On Jun 10, 2009, at 7:40 AM, Maurizio wrote:
This used to work in SAGE 3.x
I'm using SAGE 4.0.1 now
sage: ciccio = {'x':10}
sage: a = 2*x + 5
sage: a
2*x + 5
sage: a.subs(ciccio)
--
-
TypeError
Good point!
Honestly, I didn't catch I could use a symbolic variable as the left
hand side of the definition of an element in a dictionary, I thought
that should have always been a string
I don't know whether this has to be added in trac, and if so, where (I
imagine this should be related to
Hi all,
I am trying, in sage 4.0, to write a class that inherits from the new
sage.symbolic.expression.Expression class. I have not found any
precise signature for the __init__ method of that class so I suppose I
am doing something wrong : things seem to work, except for the
substitute stuff.
Hi Nicolas,
On Thu, 11 Jun 2009 07:07:50 -0700 (PDT)
Nicolas nicolas.fresseng...@gmail.com wrote:
Hi all,
I am trying, in sage 4.0, to write a class that inherits from the new
sage.symbolic.expression.Expression class. I have not found any
precise signature for the __init__ method of
Hi Burcin
I am still in sage-4.0... The 4.0.1 is currently building.
I am writing a piece of software whose purpose is to analyse a set of
given equations to transform them into Cellular Automata to solve
differential problems right from the formal expression. You can get
details there :
Please don't forget to release a OS X 10.4 / 32bit G4 version of sage
4.0.1. There are poor students amongst the users who can not afford
new hardware every fortnight :-)
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To
I used to occaisonally build a G4 10.4 binary, but that machine's hard-
drive died a few months ago and I don't plan on repairing it. I'm not
sure if the folks in Seattle have one or not.
You could build from source on your machine (probably would take 4
hours or so), it really isn't very
Does SAGE have functionality for the dimensional analysis or unit
conversion? For example, identifying dimension of energy as MASS *
LENGTH^2 * TIME^(-2) or converting inch into meter.
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I have just installed Sage Version 4.0.1 vmware image on windows XP.
I am using the Sage notebook.
Browser is firefox 3.0.6 (with the TeX fonts installed for jsMath)
Typeset is checked in the notebook.
When I evaluate the fields in the demo page the result for the show
(integrate(sin(x^2))) does
No, but I believe there are several Python packages that do this that
you could install into Sage. (There was talk about adding this at one
point, what is needed is a good list of all the best open-source
packages out there and a discussion of which one to choose and why).
On Jun 11, 2009,
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