Wilton Pereira da Silva
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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, chi-square, correlation coefficient tests, covariance matrix, math tools.
Keywords: curve fitting multiple regression error propagation non-linear multivariate 2d 3d graph math tools graph and plot digitizer digitizing ode curve fitting nonlinear regression basic statistics 2d 3d graph digitizer
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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.
Keywords: graph and plot digitizer digitizing digitize ungraphing scanned graphs contour maps charts pdf gif jpg files extract capture acquire recovery data orthogonal and nonorthogonal axes xyextract software used extract data 2d graph