.IBPSA.Utilities.Math.Functions.smoothMin

Information

Once continuously differentiable approximation to the min(.,.) function.

Note that the minimum need not be respected, such as illustrated in IBPSA.Utilities.Math.Examples.SmoothMin.

Interface

function smoothMin
  extends Modelica.Icons.Function;
  input Real x1 "First argument";
  input Real x2 "Second argument";
  input Real deltaX "Width of transition interval";
  output Real y "Result";
end smoothMin;

Revisions

• March 15, 2016, by Michael Wetter:
  Replaced spliceFunction with regStep. This is for issue 300.
• March 12, 2015, by Filip Jorissen:
  Added documentation reference demonstrating overshoot.
• February 5, 2015, by Filip Jorissen:
  Added smoothOrder = 1.
• August 15, 2008, by Michael Wetter:
  First implementation.