Updates:
Status: Fixed
Comment #3 on issue 626 by hazelnusse: solve fails when solving for
f(x).diff(x)
http://code.google.com/p/sympy/issues/detail?id=626
Ondrej,
I think the patches I've attache fix this problem. This is the behavior
I get:
x = Symbol('x')
f = Function('f')
Updates:
Status: Started
Labels: NeedsReview
Comment #4 on issue 626 by ondrej.certik: solve fails when solving for
f(x).diff(x)
http://code.google.com/p/sympy/issues/detail?id=626
Thanks --- set the issue to NeedsReview. Once the patches get in, set it
to fixed.
--
You
Status: New
Owner:
Labels: Type-Defect Priority-Medium
New issue 1430 by spconv: windowserror [126] plot
http://code.google.com/p/sympy/issues/detail?id=1430
hello
winxp sp3 here. cannot plot anything. my session:
c:\TEMP\examples\beginnerpython --version
Python 2.5.4
Updates:
Status: Accepted
Comment #1 on issue 1430 by ondrej.certik: windowserror [126] plot
http://code.google.com/p/sympy/issues/detail?id=1430
Thanks for the bug report. Seems like a pyglet issue, I reported here:
http://code.google.com/p/pyglet/issues/detail?id=420
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You received
Ondrej Certik wrote:
On Thu, May 14, 2009 at 12:04 PM, Fabian Pedregosa fab...@fseoane.net wrote:
Specially annoying was the fact that you could not return list
or tuples.
I don't know the reason of this behaviour, fortunately
changing it did not break any tests.
If all tests pass, it's
On Fri, May 22, 2009 at 5:30 AM, Fabian Pedregosa fab...@fseoane.net wrote:
Ondrej Certik wrote:
On Thu, May 14, 2009 at 12:04 PM, Fabian Pedregosa fab...@fseoane.net
wrote:
Specially annoying was the fact that you could not return list
or tuples.
I don't know the reason of this
Issue 626 is fixed by these two patches. Also, solve can now Symbol,
Function, and Derivative types.
I implemented tests and everything passes on my machine.
Thanks,
~Luke
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is there a way to do so?
thanx
from sympy import *
X,Y=symbols('XY')
z=conjugate(X+Y*I)
integrate(z,(X, -1, 1))
Integral(-I*conjugate(Y) + conjugate(X), (X, -1, 1))
integrate(integrate(z,(X, -1, 1)), (Y, -1,1))
Traceback (most recent call last):
File interactive input, line 1, in ?
File
Ühel kenal päeval, R, 2009-05-22 kell 01:46, kirjutas Oyster:
is there a way to do so?
thanx
from sympy import *
X,Y=symbols('XY')
z=conjugate(X+Y*I)
integrate(z, [X, -1, 1], [Y,-1,1])
Although sympy doesn't yet know how to handle these :(
please note the dual-integrate result
how can I get an advanced value in sympy? thanx
[smypy]
from sympy import *
X,Y=symbols('XY', real=True)
integrate(2*X*X+2*Y*Y-1, (Y, -(1-X**2)**Rational(1,2),
(1-X**2)**Rational(1,2)) )
-2*(1 - X**2)**(1/2)*(1 - 2*X**2) + 4*(1 - X**2)**(3/2)/3
On May 22, 4:23 am, Luke hazelnu...@gmail.com wrote:
Does anybody use solve() by passing the function and/or the symbol
arguments as a set, rather than a list or a tuple?
I can't see a reason why using it with a set would be beneficial, and
without support for sets, there are some aspects
On Fri, May 22, 2009 at 3:38 AM, smichr smi...@gmail.com wrote:
Just out of curiosity, is there a reason that one has to use the .args
option to get the arguments of a sympy-thing rather than just doing a
direct iteration as in
y=x+S(1)
for arg in y:
print arg
instead of the current
I would like to add code that would allow for diff() to differentiate
with respect to not just Symbol instances, but also with respect to
Function and Derivative instances. An example of why this would be
useful would be when forming Lagrange's equations, on needs to
differentiate the Lagrangian
I get a slightly different result when integrating in Matlab (2008a):
[matlab]
syms X Y L H K;
int(int(2*X*X+2*Y*Y-1, Y, -sqrt(1-X*X), sqrt(1-X*X)), X, L, 1)
ans =
-2/3*(1-L^2)^(1/2)*L*(L-1)*(1+L)
expand(ans)
ans =
2/3*(1-L^2)^(1/2)*L-2/3*(1-L^2)^(1/2)*L^3
[/matlab]
In sympy, it seems
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