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From: | Kai Torben Ohlhus |
Subject: | [Octave-bug-tracker] [bug #56798] semilogy - "omitting non-positive data in log plot" and empty plot with all positive data |
Date: | Fri, 23 Aug 2019 08:23:06 -0400 (EDT) |
User-agent: | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.100 Safari/537.36 |
Update of bug #56798 (project octave): Severity: 3 - Normal => 2 - Minor Priority: 5 - Normal => 3 - Low Status: None => Wont Fix Open/Closed: Open => Closed _______________________________________________________ Follow-up Comment #1: Thank you for your report. But I think "semilogy" works fine and the warning is correct. The "0" is, depending on the definition, not positive. > abs(f) has values from 0 to ~0.53 Remember: >> log ([0 .53]) ans = -Inf -0.63488 How should "-Inf" be plottet in a semilog plot? Additionally "non-positive" means "anything negative, including 0". https://en.wikipedia.org/wiki/Sign_(mathematics)#Terminology_for_signs _______________________________________________________ Reply to this item at: <https://savannah.gnu.org/bugs/?56798> _______________________________________________ Message sent via Savannah https://savannah.gnu.org/
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