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TMS Analytics for nonlinear multiparametric approximation of surface data

TMS Software Blog – The new version 2.2 of TMS Analytics and Physics pack contains the nonlinear least squares approximation tools. The nonlinear approximation tasks are widely used in statistics to fit experimental data with some random distribution function. Let us consider the example of surface data fitting with the 2D Gaussian function. The Gaussian distribution of 2 variables x and y (https://en.wikipedia.org/wiki/Gaussian_function) has the following math expression: Except the amplitude A, the distribution nonlinearly depends on four parameters: center coordinates x0, y0 and deviations sx, sy. The ...
Favorite? Off-Topic? 2018-02-14 16:05


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