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[Octave-bug-tracker] [bug #40362] chi2cdf/gamcdf/gammainc bug
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From: |
T.J. Gaffney |
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Subject: |
[Octave-bug-tracker] [bug #40362] chi2cdf/gamcdf/gammainc bug |
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Date: |
Mon, 25 Nov 2013 21:59:22 +0000 |
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User-agent: |
Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1500.71 Safari/537.36 |
Follow-up Comment #3, bug #40362 (project octave):
In xgmainc.f, line 62, I changed ".LT." to ".LE." and this resolved the error,
when the inputs are the same.
On this boundary case, the complementary incomplete Gamma function converges
faster.
The problem persists when the two inputs are large and the second is a little
bit larger. In this case, neither function (incomplete Gamma or complementary
incomplete Gamma) converges fast enough.
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