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[Octave-bug-tracker] [bug #44112] signal package: specgram(rand(384, 1))
From: |
Mike Miller |
Subject: |
[Octave-bug-tracker] [bug #44112] signal package: specgram(rand(384, 1)) and smaller give errors |
Date: |
Thu, 29 Jan 2015 04:18:18 +0000 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.91 Safari/537.36 |
Update of bug #44112 (project octave):
Item Group: Crash => Incorrect Result
Status: None => Fixed
Assigned to: None => mtmiller
Operating System: GNU/Linux => Any
Summary: signal -> specgram(rand(384,1)) and smaller give
errors => signal package: specgram(rand(384,1)) and smaller give errors
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Follow-up Comment #1:
Thanks for your bug report. The length of the input sequence has to be greater
than the window length, which defaults to 256. If you specify a smaller
segment size or window size, you won't get this error.
I have added an error check for the first error you described, when the input
is smaller than the window size:
http://sourceforge.net/p/octave/signal/ci/c18926ec0e6e
The second error you are seeing is due to an error plotting images with
Gnuplot, I've reported this as bug #44114. There's not much else that can be
fixed in the specgram function for this error, so closing this bug as fixed.
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