void NumericDerive(TRegressFun RegressFun, const double X, const double Y, TVec *Pars, TVec *Grad);
Numerical derivative for regress function.
| # | Name | Type | Description |
|---|---|---|---|
| 1 | RegressFun | TRegressFun | |
| 2 | X | const double | |
| 3 | Y | const double | |
| 4 | Pars | TVec * | |
| 5 | Grad | TVec * |
Remarks:
Routine calculates the derivatives of the regression function RegressFun at (X,Y) by numerical differentiation. The results of differentation are returned in Grad vector. The Length and Complex properties of Grad vector are NOT adjusted automatically.
See Also: Regress::NLinRegress
Declared in Dew::Stats::Units::Regress · Dew.Stats/Units.Regress.h · Cross-compiler