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QtiPlot is a clone of Origin for data analysis andscientific plotting.License: GNU General Public License (GPL)Changes:
The fit wizard was improved: the parameters ofuser defined functions are automatically detectedand syntax errors are reported. A new ellipse toolfor 2D plots was added. The possibility toconfigure the behavior of note editors wasimplemented. Completion was improved. Scriptingwas improved with the possibility to customizeplot curves in terms of color, line width, andline style. Nonlinear curve fitting is easier:parameters are automatically detected when you seta fit formula. Export to vector formats wasimproved. Tex equation dialog were improved. A bugaffecting linear regressions on weighted data setswas fixed.



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