Status: Valid
Owner:
Labels: Type-Enhancement Priority-Medium Series
New issue 4113 by skirpic...@gmail.com: Refactor _eval_nseries methods for
sympy/functions/
http://code.google.com/p/sympy/issues/detail?id=4113
Currently we have here things like this:
def _eval_nseries(self, x, n, log
Comment #1 on issue 4112 by smi...@gmail.com: solve doesn't work with
rational=True
http://code.google.com/p/sympy/issues/detail?id=4112
The reason is that the small term simplifies to 0 at the given tolerance.
Two options: 1) do a variable substitution like se -> 1e8*x, 2) nsimplify
with
Comment #2 on issue 4112 by asmeu...@gmail.com: solve doesn't work with
rational=True
http://code.google.com/p/sympy/issues/detail?id=4112
Why is the tolerance so low?
Anyhow, we need to eventually kill this rational argument, so I'm -1 to
marking as won't fix.
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Status: New
Owner:
Labels: Type-Defect Priority-Medium Matrices WrongResult
New issue 4114 by randy.he...@clockworklab.net: ImmutableMatrix.is_zero is
always False
http://code.google.com/p/sympy/issues/detail?id=4114
In [1]: ImmutableMatrix([0,0]).is_zero
Out[1]: False
In [2]: Immutable
Comment #1 on issue 3988 by asmeu...@gmail.com: The docs zip file unzips to
sympy-docs-html-nozip-0.7.3
http://code.google.com/p/sympy/issues/detail?id=3988
Fixed at https://github.com/sympy/sympy/pull/2634.
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Updates:
Status: Valid
Comment #1 on issue 4114 by mrock...@gmail.com: ImmutableMatrix.is_zero is
always False
http://code.google.com/p/sympy/issues/detail?id=4114
ImmutableMatrix uses multiple inheritance. It inherits first from
MatrixExpr, and then from DenseMatrix. In this parti
Comment #2 on issue 4114 by randy.he...@clockworklab.net:
ImmutableMatrix.is_zero is always False
http://code.google.com/p/sympy/issues/detail?id=4114
Thanks Matthew, but unfortunately it's not that simple. Adding
is_zero=DenseMatrix.is_zero was the first thing I tried, and
ImmutableMatr
