[Octave-bug-tracker] [bug #50820] [octave forge] (signal) pwelch incorrectly discards DC component

[STPR]

Follow-up Comment #18, bug #50820 (project octave):

John: Further testing revealed a couple of bugs that I fixed. Here is my file.
Please merge your changes to this file, if that is not too much work for you.
If not, let me know and I will do that when I find time from my research.

Fixed:
* Trace arguments interaction with confidence estimation. Apparently
regardless of the trace arguments, confidence values remain the same. So the
average periodogram needs to be saved regardless of the trace type, which I
have done so.
* Confidence interval is returned for n_ffts = 1, which is also fixed.
* "mean" is a valid trace argument. Fixed that in parse_args()


(file #45173)
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Additional Item Attachment:

File name: pwelch.m                       Size:16 KB


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