BuildSysPro.IBPSA.Utilities.Math.Functions.BaseClasses.der_inverseXRegularized

# .BuildSysPro.IBPSA.Utilities.Math.Functions.BaseClasses.der_inverseXRegularized

Derivative of inverseXRegularised function

## Information

Implementation of the first derivative of the function IBPSA.Utilities.Math.Functions.inverseXRegularized.

#### Interface

>     function der_inverseXRegularized
>       extends Modelica.Icons.Function;
>       input Real x "Abscissa value";
>       input Real delta(min = Modelica.Constants.eps) "Abscissa value below which approximation occurs";
>       input Real deltaInv = 1/delta "Inverse value of delta";
>       input Real a = -15*deltaInv "Polynomial coefficient";
>       input Real b = 119*deltaInv^2 "Polynomial coefficient";
>       input Real c = -361*deltaInv^3 "Polynomial coefficient";
>       input Real d = 534*deltaInv^4 "Polynomial coefficient";
>       input Real e = -380*deltaInv^5 "Polynomial coefficient";
>       input Real f = 104*deltaInv^6 "Polynomial coefficient";
>       input Real x_der "Abscissa value";
>       output Real y_der "Function value";
>     end der_inverseXRegularized;

## Revisions

- June 22, 2016, by Filip Jorissen:
  First implementation.

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