#10682: sum fails with lower bound != 0 or 1 (upgrade maxima to 5.26)
---------------------------------------------------------+------------------
Reporter: fmaltey | Owner:
burcin
Type: defect | Status:
needs_info
Priority: critical | Milestone:
sage-5.0
Component: symbolics | Keywords:
maxima 5.26.0 binomial sum
Work_issues: domain issue, error handling in nintegral | Upstream: N/A
Reviewer: Jean-Pierre Flori, | Author:
Dima Pasechnik
Merged: | Dependencies:
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Comment(by dimpase):
Replying to [comment:70 nbruin]:
OK, I'll update the patch as follows:
{{{
diff --git a/sage/calculus/calculus.py b/sage/calculus/calculus.py
--- a/sage/calculus/calculus.py
+++ b/sage/calculus/calculus.py
@@ -632,7 +632,8 @@
- ``5`` - integral is probably divergent or slowly
convergent
- - ``6`` - the input is invalid
+ - ``6`` - the input is invalid; this includes the case of
desired_relative_error
+ being too small to be achieved
ALIAS: nintegrate is the same as nintegral
@@ -641,9 +642,6 @@
integration using the GSL C library. It is potentially much faster
and applies to arbitrary user defined functions.
- Also, there are limits to the precision to which Maxima can compute
- the integral: here the error code "6" means "the input is invalid".
-
::
sage: f = x
@@ -714,14 +712,14 @@
limit=maximum_num_subintervals)
except TypeError, err:
if "ERROR" in str(err):
- raise ValueError, "Maxima (via quadpack) cannot compute the
integral to that precision"
+ raise ValueError, "Maxima (via quadpack) cannot compute the
integral"
else:
raise TypeError, err
#This is just a work around until there is a response to
#http://www.math.utexas.edu/pipermail/maxima/2008/012975.html
if 'quad_qags' in str(v):
- raise ValueError, "Maxima (via quadpack) cannot compute the
integral to that precision"
+ raise ValueError, "Maxima (via quadpack) cannot compute the
integral"
return float(v[0]), float(v[1]), Integer(v[2]), Integer(v[3])
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10682#comment:71>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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