Nlsf Software

Data Master 2000 by RRR

Free software for automation of professional measurement systems, data acquisition, processing and analysis. Especially suitable for scientists who would like to make high-performance, precise measurements in the experimental physics.

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DMFitter ActiveX control by RRR

DMFitter ActiveX control allows you to add sophisticated regression analysis tools to your software in a few lines of code. Both linear and nonlinear (Levenberg-Marquardt) least squares curve fitting algorithms with user defined models are available.

fit fitting fitter regression analysis linear nonlinear least squares levenberg marquardt lm linear nonlinear levenberg-marquardt curve fitting engine