Status: New
Owner:
Labels: Type-Defect Priority-Medium
New issue 2219 by hector1...@gmail.com: Arbitrary constants in indefinite
integration
http://code.google.com/p/sympy/issues/detail?id=2219
This is related Issue 1336 and Issue 1941.
These two issues are related to the solution of ODE
Comment #1 on issue 2219 by hector1...@gmail.com: Arbitrary constants in
indefinite integration
http://code.google.com/p/sympy/issues/detail?id=2219
Sorry, I don't know how to add owner and how to change Type from defect to
Enhancement.
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Updates:
Cc: smi...@gmail.com
Labels: -Type-Defect Type-Enhancement
Comment #2 on issue 2219 by asmeurer: Arbitrary constants in indefinite
integration
http://code.google.com/p/sympy/issues/detail?id=2219
You have to be a project member to change issue labels. I have added yo
Updates:
Owner: hector1...@gmail.com
Labels: Integration
Comment #3 on issue 2219 by hector1...@gmail.com: Arbitrary constants in
indefinite integration
http://code.google.com/p/sympy/issues/detail?id=2219
Its not working the way you told.
In [87]: integrate(x,constant=Tru
Comment #4 on issue 2219 by asmeurer: Arbitrary constants in indefinite
integration
http://code.google.com/p/sympy/issues/detail?id=2219
You misunderstood. I am saying that I think it is how it should work. The
functionality is not implemented yet.
And you are right that it should raise
Comment #1 on issue 2212 by gitul...@gmail.com: Matrix([Matrix, …]) should
work
http://code.google.com/p/sympy/issues/detail?id=2212
It seems that SymPy does not support matrices as building elements for
matrices (only lists and tuples are accepted that is why your last example
works). In
Comment #5 on issue 2219 by hector1...@gmail.com: Arbitrary constants in
indefinite integration
http://code.google.com/p/sympy/issues/detail?id=2219
Ohh sorry for that. I completely got it wrong.
I made some modifications in the sympy/sympy/integral/integral.py
the function integral such tha
Comment #2 on issue 2212 by ronan.l...@gmail.com: Matrix([Matrix, …])
should work
http://code.google.com/p/sympy/issues/detail?id=2212
Nice! With your patch, Matrix(...) is able to stack its arguments
vertically. This raises interesting additional points:
* it should be possible to stack t
Comment #6 on issue 2219 by asmeurer: Arbitrary constants in indefinite
integration
http://code.google.com/p/sympy/issues/detail?id=2219
Like I said in comment 2, you can get all the free symbols in an expression
by doing expr.free_symbols. That should be sufficient to implement 3.
In [3
Status: Accepted
Owner: asmeurer
Labels: Type-Defect Priority-Medium Matrices
New issue 2220 by asmeurer: Bug with Matrix.is_symbolic and Matrix.is_upper
http://code.google.com/p/sympy/issues/detail?id=2220
In [47]: a = Matrix([[1, 2, 3]])
In [48]: a.is_symbolic()
-
Updates:
Labels: NeedsReview gituliar
Comment #3 on issue 2212 by asmeurer: Matrix([Matrix, …]) should work
http://code.google.com/p/sympy/issues/detail?id=2212
Thanks. The last one now works. The first two do not, but that was just me
playing around with the syntax trying to get it t
Updates:
Status: Fixed
Labels: -NeedsReview PassedReview
Comment #4 on issue 2212 by asmeurer: Matrix([Matrix, …]) should work
http://code.google.com/p/sympy/issues/detail?id=2212
I have pushed your patch in. Thank you for contributing.
Ronan, can you open a new issue for your
Status: Accepted
Owner: ronan.l...@gmail.com
Labels: Type-Enhancement Priority-Medium Matrices
New issue 2221 by ronan.l...@gmail.com: hstack() and vstack() methods for
Matrix
http://code.google.com/p/sympy/issues/detail?id=2221
After the fix for issue 2212, Matrix(...) is able to stack its a
Status: Accepted
Owner: ronan.l...@gmail.com
Labels: Type-Defect Priority-Low Matrices
New issue by ronan.l...@gmail.com: Matrix([Matrix, ...]) should check
the row length of empty matrices
http://code.google.com/p/sympy/issues/detail?id=
Currently, we have this:
In [20]: Matrix(([1
Comment #5 on issue 2212 by ronan.l...@gmail.com: Matrix([Matrix, …])
should work
http://code.google.com/p/sympy/issues/detail?id=2212
That's issue 2221. And a small inconsistency I noticed for empty matrices
is issue .
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Comment #7 on issue 2219 by ronan.l...@gmail.com: Arbitrary constants in
indefinite integration
http://code.google.com/p/sympy/issues/detail?id=2219
I don't think 3) can currently be done in a way that's meaningful.
Consider the PDE d²f/dxdy = 0, we'd like the solution to be
integrate(inte
Updates:
Blockedon: 1336
Comment #8 on issue 2219 by asmeurer: Arbitrary constants in indefinite
integration
http://code.google.com/p/sympy/issues/detail?id=2219
That's because integrate(0, y) == C_1(x), not C_1.
What is really needed is some way to say what the constants are constan
Issue 1336: Arbitrary constant type
http://code.google.com/p/sympy/issues/detail?id=1336
This issue is now blocking issue 2219.
See http://code.google.com/p/sympy/issues/detail?id=2219
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Status: Started
Comment #5 on issue 2217 by asmeurer: Patches tutorial
http://code.google.com/p/sympy/issues/detail?id=2217
Thanks for your work cleaning up the wiki. That is really appreciated.
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Comment #9 on issue 2219 by smi...@gmail.com: Arbitrary constants in
indefinite integration
http://code.google.com/p/sympy/issues/detail?id=2219
Yes, regarding free_symbols, that will give you all of the unbound symbols:
h[2] >>> Integral(x+y,(x,1,2)).free_symbols
set([y])
h[3] >
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