patchGNU Octave - Patches: patch #9711, [octave forge] (statistics)...


patch #9711: [octave forge] (statistics) ncx2pdf implement by formula

Submitted by:  None
Submitted on:  Tue 30 Oct 2018 06:16:26 AM UTC
Category:  Forge : new function Priority:  5 - Normal
Status:  Done Privacy:  Public
Assigned to:  None Originator Email:  -email is unavailable-
Open/Closed:  Closed
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Wed 24 Nov 2021 11:37:15 PM UTC, comment #1: 
Nir Krakauer <nir_krakauer>
Tue 30 Oct 2018 06:16:26 AM UTC, original submission:  

in my adjustment course homework, i need to compute non-central
chi square pdf , but there is no ncx2pdf in octave .
i implement a ncx2pdf accroding to the formula in text book .
(so may be a little slow.)

i make a search before , discover that this function
in octave source forge is not yet implement,
so here you may need this.
stackoverflow thread

also i create a ncx2cdf by quad numeric integral,
which is very slow, just for convinent.

my octave function file



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Attach Files:

Attached Files
file #45327:  ncx2pdf.m added by None (1KiB - text/x-objcsrc - function file)
file #45328:  ncx2cdf.m added by None (1KiB - text/x-objcsrc - function file)


Depends on the following items: None found

Items that depend on this one: None found


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  • -email is unavailable- added by nir_krakauer (Posted a comment)
  • -email is unavailable- added by None (Submitted the item)

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    Follow 5 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2021-11-25 philipnienhuis StatusNone => Done
        Open/ClosedOpen => Closed
    2019-03-07 mtmiller Summaryncx2pdf implement by formula => [octave forge] (statistics) ncx2pdf implement by formula
    2018-10-30 None Attached File- => Added ncx2pdf.m, #45327
        Attached File- => Added ncx2cdf.m, #45328

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