.BuildSysPro.IBPSA.Utilities.Math.Functions.BaseClasses.der_2_regNonZeroPower

Information

Implementation of the second derivative of the function IBPSA.Utilities.Math.Functions.regNonZeroPower.

Interface

function der_2_regNonZeroPower
  extends Modelica.Icons.Function;
  input Real x "Abscissa value";
  input Real n "Exponent";
  input Real delta = 0.01 "Abscissa value where transition occurs";
  input Real der_x;
  input Real der_2_x;
  output Real der_2_y "Function value";
end der_2_regNonZeroPower;

Revisions

• August 17, 2015 by Michael Wetter:
  Corrected wrong derivative implementation which omitted the der_x term. This is for issue 303.
• April 9, 2009, by Michael Wetter:
  First implementation.