#12144: better document a technical confusing point in the Hidden Markov Model
code
---------------------------+------------------------------------------------
Reporter: was | Owner: amhou
Type: enhancement | Status: needs_work
Priority: minor | Milestone: sage-5.0
Component: statistics | Keywords:
Work_issues: | Upstream: N/A
Reviewer: Jason Grout | Author: William Stein
Merged: | Dependencies:
---------------------------+------------------------------------------------
Changes (by jdemeyer):
* status: positive_review => needs_work
Comment:
There is still numerical noise on 32-bit systems:
{{{
sage -t --long -force_lib devel/sage/sage/stats/hmm/chmm.pyx
**********************************************************************
File
"/Users/buildbot/build/sage/moufang-1/moufang_full/build/sage-5.0.beta2/devel
/sage-main/sage/stats/hmm/chmm.pyx", line 1354:
sage: m.baum_welch(v, min_sd=1)
Expected:
(-12.617885761692419, 1000)
Got:
(-12.617885761692417, 1000)
**********************************************************************
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12144#comment:12>
Sage <http://www.sagemath.org>
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