Status: New
Owner:
Labels: Type-Defect Priority-Medium
New issue 1381 by zorg724: error with mpmath documentation
http://code.google.com/p/sympy/issues/detail?id=1381
Exemple:
mp.dps = 15
print sumem(lambda n: 1/n**2, 1, inf)
print sumem(lambda n: 1/n**2, 1, inf)
Traceback (most recent
Status: New
Owner:
Labels: Type-Defect Priority-Medium
New issue 1382 by zorg724: Documentation Error in Finding all roots of a
polynomial
http://code.google.com/p/sympy/issues/detail?id=1382
we shall compute:
compute the two real roots of 3x^2 - 7x + 2
but the code enter is
Comment #1 on issue 1382 by zorg724: Documentation Error in Finding all
roots of a polynomial
http://code.google.com/p/sympy/issues/detail?id=1382
import mpmath
mpmath.__version__
'0.10'
help(mpmath.polyroots)
Help on function polyroots in module mpmath.calculus:
polyroots(coeffs,
Status: Accepted
Owner:
Labels: Type-Defect Priority-High WrongResult
New issue 1384 by ondrej.certik: assumptions docs are wrong
http://code.google.com/p/sympy/issues/detail?id=1384
In [1]: z = Symbol(z, real=False)
In [2]: z?
Type: Symbol
Base Class: class
Status: Accepted
Owner: ondrej.certik
Labels: Type-Defect Priority-Medium Milestone-Release0.6.5 NeedsReview
New issue 1385 by ondrej.certik: Integral.midpoint() implemented
http://code.google.com/p/sympy/issues/detail?id=1385
In [1]: e = Integral(sqrt(x**3+1), (x, 2, 10))
In [2]: e.midpoint(4)
Comment #1 on issue 1385 by ondrej.certik: Integral.midpoint() implemented
http://code.google.com/p/sympy/issues/detail?id=1385
Maple calls this: middlesum(). It also has leftsum and rightsum, but imho
it's
confusing what the rightsum should do. A better name is maybe uppersum and
lowersum.
Updates:
Labels: Milestone-Release0.6.5
Comment #1 on issue 1386 by ondrej.certik: data/IPython/ipythonrc-sympy
doesn't seem to work:
http://code.google.com/p/sympy/issues/detail?id=1386
(No comment was entered for this change.)
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In [14]: z = Symbol ('z')
In [15]: z
Out[15]: z
In [16]: z?
Type: Symbol
Base Class: class 'sympy.core.symbol.Symbol'
String Form:z
Namespace: Interactive
File: /usr/lib/python2.5/site-packages/sympy-0.6.4-
py2.5.egg/sympy/core/symbol.py
Docstring:
Hi Neal!
On Thu, Apr 16, 2009 at 10:13 AM, Neal Becker ndbeck...@gmail.com wrote:
In [14]: z = Symbol ('z')
In [15]: z
Out[15]: z
In [16]: z?
Type: Symbol
Base Class: class 'sympy.core.symbol.Symbol'
String Form: z
Namespace: Interactive
File:
On Thursday 16 April 2009, Ondrej Certik wrote:
It's just a docstring and it's wrong. However, Fabian will be working
on assumptions stuff for the whole summer, so this should get fixed
once and for all.
Thanks! (The only thing worse than no doc is wrong doc :)
On Thu, Apr 16, 2009 at 12:27 PM, Neal Becker ndbeck...@gmail.com wrote:
On Thursday 16 April 2009, Ondrej Certik wrote:
It's just a docstring and it's wrong. However, Fabian will be working
on assumptions stuff for the whole summer, so this should get fixed
once and for all.
Thanks!
How come there are two data descriptors:
x.is_Real and x.is_real
for the same thing ??
On Apr 17, 12:31 am, Ondrej Certik ond...@certik.cz wrote:
On Thu, Apr 16, 2009 at 12:27 PM, Neal Becker ndbeck...@gmail.com wrote:
On Thursday 16 April 2009, Ondrej Certik wrote:
It's just a docstring
Hi,
On Thu, Apr 16, 2009 at 04:39:22PM -0700, Akshay Srinivasan wrote:
How come there are two data descriptors:
x.is_Real and x.is_real
for the same thing ??
x.is_Real - is x an instance of Real class
x.is_real - does x belong to a real field
Those are surely different concepts, but it
I'm working on equality comparisons for a class I call 'Vector'.
Really this class is to represent Vectors in R^3, but in a way that
allows for both symbolic and numeric evaluation, and to allow for
Vectors to be defined as linear combinations of UnitVectors (another
class) that a fixed in
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