Updates:
Status: Started
Owner: mattpap
Cc: -mattpap
Labels: Solvers Polynomial Milestone-Release0.7.0 NeedsReview
Comment #3 on issue 989 by mattpap: solve fails for intersection of two
circles
http://code.google.com/p/sympy/issues/detail?id=989
This issue
Updates:
Status: Started
Owner: mattpap
Cc: -mattpap
Labels: -polys Polynomial Milestone-Release0.7.0
Comment #1 on issue 2087 by mattpap: solver treats a nonlinear expression
as linear and mis-solves a true nonlinear system; fixed in polys11 but slow
Updates:
Labels: Milestone-Release0.7.0 NeedsReview
Comment #7 on issue 2075 by mattpap: solve fails for eq1=1 + 2*y/b - (e +
x)**2/a; eq3=1 + 2*y/d - (x - e)**2/c
http://code.google.com/p/sympy/issues/detail?id=2075
After recent changes the system doesn't hang for me any more:
In
Updates:
Labels: Polynomial
Comment #8 on issue 2033 by mattpap: solve should be able to handle
rational function systems
http://code.google.com/p/sympy/issues/detail?id=2033
Regarding #3, now in polys11 the behaviour is as follows:
In [2]: var('r,t')
Out[2]: (r, t)
In [3]:
Comment #9 on issue 2033 by asmeurer: solve should be able to handle
rational function systems
http://code.google.com/p/sympy/issues/detail?id=2033
So are you saying that it should be the responsibility of solve() to handle
converting the equations into a system of polynomials before
Comment #10 on issue 2033 by mattpap: solve should be able to handle
rational function systems
http://code.google.com/p/sympy/issues/detail?id=2033
Yes, this should be a part of solve strategy resolution.
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Updates:
Status: Started
Owner: mattpap
Cc: -mattpap
Labels: Solvers Polynomial Milestone-Release0.7.0 NeedsReview
Comment #3 on issue 989 by mattpap: solve fails for intersection of two
circles
http://code.google.com/p/sympy/issues/detail?id=989
This issue
Updates:
Labels: Milestone-Release0.7.0 NeedsReview
Comment #7 on issue 2075 by mattpap: solve fails for eq1=1 + 2*y/b - (e +
x)**2/a; eq3=1 + 2*y/d - (x - e)**2/c
http://code.google.com/p/sympy/issues/detail?id=2075
After recent changes the system doesn't hang for me any more:
In
Well, I have never heard of that before, but I found this Wikipedia article:
http://en.wikipedia.org/wiki/Hyperelliptic_curve_cryptography. If I understand
it correctly, the answer is no, because SymPy does not imp,met the Jacobian in
the algebraic sense (which is apparently different from the
On 30 Dez., 08:57, Ondrej Certik ond...@certik.cz wrote:
I forgot about the from sympy.interactive import *. Yes, let's move
it out of the __init__.py's.
I agree, it makes more sense there.
Vinzent
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On 29 Dez., 23:29, Scott scotta_2...@yahoo.com wrote:
Is there a clever way to export a Matrix of sympy symbols and the
argument list to to a text (.py) file with scipy friendly syntax?
The C and Fortran printers strip out the sympy syntax and replace it
with the proper C or Fortran syntax,
On Dec 30, 2010, at 5:17 AM, Mateusz Paprocki wrote:
Hi,
On 30 December 2010 08:49, Aaron S. Meurer asmeu...@gmail.com wrote:
On Dec 30, 2010, at 12:42 AM, Ondrej Certik wrote:
On Thu, Dec 30, 2010 at 4:36 AM, Aaron S. Meurer asmeu...@gmail.com wrote:
OK. I have made the change.
Hi,
Suppose I have already had an expression tree in a tree structure
(like a nested list, say ['add', 'x', ['subtract', 'x', 'y']]), I
would like to convert it to sympy expression and simplify it in sympy.
When I read my tree structure, I first create an Add function. Then
how can I append x
Hi,
On Thu, Dec 30, 2010 at 01:34:07PM -0800, Jeff Cen wrote:
Hi,
Suppose I have already had an expression tree in a tree structure
(like a nested list, say ['add', 'x', ['subtract', 'x', 'y']]), I
would like to convert it to sympy expression and simplify it in sympy.
When I read my
Mateusz,
thanks for your quick reply.
Your suggestion handles this case well. If I have a function f has N
children in the tree,
e.g. tree = ('add', 'x', ('f', 'a1', 'a2', 'a3', 'a4', ..., 'a100'))
how can I express mapping[f](a1, a2, ...an)? N here could be
arbitrary and I don't know its
You want to use tuple unpacking. If you pass a list or tuple to a function in
Python and put a '*' before it, it unpacks the elements of the tuple into
arguments of the function. For example:
In [4]: a = [1, 2, 3]
In [5]: def f(a, b, c):
...: return a + b + c
...:
In [6]: f(*a)
Hi,
On Thu, Dec 30, 2010 at 04:48:14PM -0700, Aaron S. Meurer wrote:
You want to use tuple unpacking. If you pass a list or tuple to a function
in Python and put a '*' before it, it unpacks the elements of the tuple
into arguments of the function. For example:
In [4]: a = [1, 2, 3]
Thank you for pointing me away from the python printer and towards
lambdify.
Cheers,
Scott
On Dec 30, 7:12 am, Vinzent Steinberg
vinzent.steinb...@googlemail.com wrote:
On 29 Dez., 23:29, Scott scotta_2...@yahoo.com wrote:
Is there a clever way to export a Matrix of sympy symbols
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