1/29/2024 0 Comments Scidavis adjust axis![]() ![]() The internal parser for the mathematical expressions learnt to recognize arbitrary user-defined parameters. Some consistency checks were implemented to notify the user about wrong inputs (upper bound is smaller than the lower bound, start value is outside of the bounds, etc.) immediately. Also, it is possible now to fix parameters to certain already known values: ![]() LabPlot provides now the possibility to define lower and/or upper bounds for the fit parameters and to limit the internal fit algorithm to these regions only. However, sometimes the realistic regions for the parameters are known in advance and it is desirable to set some mathematical constrains on them. Until now, the fit parameters could in principle take any values allowed by the fit model, which would lead to a reasonable description of the data. Instead of going through the many manual steps, the final fit result can now be quickly produced via the context menu of the data spreadsheet or directly in the plot in the context menu of the data curve: As already mentioned in the previous blog, all analysis functions benefited from the recent general UX improvements. ![]() Continuing the introduction of the new features coming soon with the next release of LabPlot (see the previous blogs here and here), we want to share today some news about the developments we did for the data fitting (linear and non-linear regression analysis) in the last couple of months.ĭata fitting, one of the most common and frequently used data analysis tasks, got a lot of improvements. ![]()
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