Issue 1336: Arbitrary constant type
http://code.google.com/p/sympy/issues/detail?id=1336
This issue is now blocking issue sympy:2219.
See http://code.google.com/p/sympy/issues/detail?id=2219
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Issue 1336: Arbitrary constant type
http://code.google.com/p/sympy/issues/detail?id=1336
This issue is now blocking issue sympy:2219.
See http://code.google.com/p/sympy/issues/detail?id=2219
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Comment #14 on issue 1336 by smi...@gmail.com: Arbitrary constant type
http://code.google.com/p/sympy/issues/detail?id=1336
I moved this to the model branch.
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Comment #13 on issue 1336 by smi...@gmail.com: Arbitrary constant type
http://code.google.com/p/sympy/issues/detail?id=1336
I don't have a special combining symbol but I have a 'model' function that
absorbs all constants except for a specified 'x'. Using it on the examples
of the OP shows th
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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Updates:
Blockedon: 1941
Comment #11 on issue 1336 by asmeurer: Arbitrary constant type
http://code.google.com/p/sympy/issues/detail?id=1336
The better core idea is now issue 1941.
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Updates:
Owner: asmeurer
Comment #10 on issue 1336 by asmeurer: Arbitrary constant type
http://code.google.com/p/sympy/issues/detail?id=1336
By the way, we decided to put this issue on hold until we have a better
core that would allow the Constant class
to use a handler function within
Comment #9 on issue 1336 by andy.terrel: Arbitrary constant type
http://code.google.com/p/sympy/issues/detail?id=1336
Right I see. And if you put the above logic in both the __mul__ and
__rmul__ you get
an infinite loop.
Hmm just putting it in Mul (as Order does) seems the only way to go, as
Updates:
Cc: andy.terrel
Comment #8 on issue 1336 by asmeurer: Arbitrary constant type
http://code.google.com/p/sympy/issues/detail?id=1336
I made this change to Basic.__mul__ and some of my tests in my constant
file (see constant.py in
http://github.com/asmeurer/sympy/tree/constant) n
Comment #7 on issue 1336 by andy.terrel: Arbitrary constant type
http://code.google.com/p/sympy/issues/detail?id=1336
I think this is a great thing to have and would be useful in lots of
places. A note
about implementing in your constant branch you try to use __mul__ and
__rmul__ . This
won
Comment #6 on issue 1336 by asmeurer: Arbitrary constant type
http://code.google.com/p/sympy/issues/detail?id=1336
That was a bad example. I should try to do math this soon after waking
up. The one I listed above in the
original issue is a better one. You get the idea anyway.
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Comment #5 on issue 1336 by asmeurer: Arbitrary constant type
http://code.google.com/p/sympy/issues/detail?id=1336
I think solutions = [one_solution + y**k for k in range(3)] should probably
return separate instances of an
arbitrary constant in that case (C2, C3, C4). Then you could at least
Comment #4 on issue 1336 by Vinzent.Steinberg: Arbitrary constant type
http://code.google.com/p/sympy/issues/detail?id=1336
I think it's always safe to simplify C1*y to C1 if y is constant.
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Comment #3 on issue 1336 by fredrik.johansson: Arbitrary constant type
http://code.google.com/p/sympy/issues/detail?id=1336
Interesting idea. How do you determine what and what not to fold into the
constant?
For example, suppose you have a function f(x,y) where y is a parameter and
the resu
Comment #2 on issue 1336 by asmeurer: Arbitrary constant type
http://code.google.com/p/sympy/issues/detail?id=1336
Maple does not implement it, other than putting a "_" before C1, and
suffers as a result, for example,
dsolve(diff(y(x),x,x)+y(x)=cos(x));
returns
y(x) = sin(x)*_C2+cos(x)*_C1+
Updates:
Status: Accepted
Labels: -Type-Defect Type-Enhancement
Comment #1 on issue 1336 by ondrej.certik: Arbitrary constant type
http://code.google.com/p/sympy/issues/detail?id=1336
Interesting idea. So it's something similar to our O(1) symbol, except that
the
constant will
Status: New
Owner:
Labels: Type-Defect Priority-Medium
New issue 1336 by asmeurer: Arbitrary constant type
http://code.google.com/p/sympy/issues/detail?id=1336
Adding an arbitrary constant type would help with the simplification of the
results of integration, specifically solutions to dif
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