This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision | ||
fit_formulas [Fri Jul 1 13:30:35 2016] Alexander |
fit_formulas [Tue May 30 16:28:13 2017] (current) Alexander |
||
---|---|---|---|
Line 15: | Line 15: | ||
* //f//(//x, β< | * //f//(//x, β< | ||
* //p// is the number of fit parameters // | * //p// is the number of fit parameters // | ||
- | * // | + | * // |
An initial guess for the parameters has to be provided to start minimization. Calculation of the new guess of parameters on each fit iteration is based on the fit function partial derivatives for current values of fit parameters for each //x// value: | An initial guess for the parameters has to be provided to start minimization. Calculation of the new guess of parameters on each fit iteration is based on the fit function partial derivatives for current values of fit parameters for each //x// value: | ||
Line 26: | Line 26: | ||
MagicPlot can use weighting of //y// values based on y errors // | MagicPlot can use weighting of //y// values based on y errors // | ||
- | * If standard //y// errors are **not** | + | * If standard //y// errors |
- | * If standard //y// errors | + | * Otherwise: all //w< |
In '' | In '' |