
Wilton Pereira da Silva 


LAB Fit Curve Fitting Software Curve fitting (fit), nonlinear regression, treatment of data, basic statistics, error propagation, 2D and 3D graphs, confidence band, uncertainty, error bars, extrapolation, chisquare, correlation coefficient tests, covariance matrix, math tools. Tags: 2d 2d 3d graph 3d basic curve curve fitting digitizer error propagation fitting graph graph and plot digitizer digitizing math tools multiple regression multivariate nonlinear nonlinear regression statistics 


The "xyExtract" software is used for to extract data from a 2D graph (orthogonal and nonorthogonal axes) contained in a graphic file (scanned, PDF document or in a some file like gif, jpg, etc). The graphic file must be saved in a bitmap file. Tags: 2d acquire capture charts contour maps data digitize digitizing extract gif graph graph and plot digitizer jpg files orthogonal and nonorthogonal axes pdf recovery data scanned graphs software ungraphing used xyextract 
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