https://bugs.kde.org/show_bug.cgi?id=429368
Bug ID: 429368
Summary: Custom equation broke in multiple instances
Product: LabPlot2
Version: 2.8.1
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: alexander.se...@web.de
Reporter: ccgauvi...@gmail.com
Target Milestone: ---
SUMMARY
My custom equation just suddenly stopped working despite no change in the data
or plots.
STEPS TO REPRODUCE
1. Use the following equation: 1*(1-e^(-k*x))
2.
3.
OBSERVED RESULT
I had > 12 spreadsheets, each with Time in the X and Catalysis in the Y. Most
of these are from months ago and haven't been touched since they were initially
created (some going back to April). Since opening LabPlot 2.81 for the first
time, suddenly the equation is red, and any fits that I graphed with it have
disappeared.
EXPECTED RESULT
That my fits, which have been there for months, were still there upon
re-opening the program
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: openSUSE tumbleweed 20201117
(available in About System)
KDE Plasma Version: 5.20.3
KDE Frameworks Version: 5.75.0
Qt Version: 5.15.1
ADDITIONAL INFORMATION
The calculated k values are still showing, but if I click "Fit" again, it just
errors them out to 1. Again, this is an equation I've been using fine for
months and have validated in GraphPad Prism as well. Hopefully there's a fix
because I really hate GraphPad Prism.
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