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[Octave-bug-tracker] [bug #42037] Missing function integral
From: |
Rik |
Subject: |
[Octave-bug-tracker] [bug #42037] Missing function integral |
Date: |
Wed, 20 Sep 2017 13:30:20 -0400 (EDT) |
User-agent: |
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:55.0) Gecko/20100101 Firefox/55.0 |
Update of bug #42037 (project octave):
Status: In Progress => Fixed
Open/Closed: Open => Closed
_______________________________________________________
Follow-up Comment #20:
I checked in a slightly different change here
(http://hg.savannah.gnu.org/hgweb/octave/rev/6570fdb7d3a0). A lot of users
will be scientists, not mathematicians, so rather than give them vague advice
as Matlab does, "Single precision integrations may require larger tolerances",
I chose to use the sensible defaults that quadgk has. They can always try
again if their integration fails, but this will allow most integrands to
complete successfully.
Also, I redid the precisions in the BIST tests. The tolerance argument of the
assert() function is an absolute tolerance when TOL is positive and a relative
tolerance when TOL is negative. I used this fact to match a BIST test where
AbsTol is specified to a positive TOL for assert() and vice versa if RelTol
was specified.
I think enough progress has been made to close this report.
Incidentally, integral2 can probably be implemented similarly as a wrapper
around dblquad.
_______________________________________________________
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- [Octave-bug-tracker] [bug #42037] Missing function integral, (continued)
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- [Octave-bug-tracker] [bug #42037] Missing function integral, Nicholas Jankowski, 2017/09/25
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