FCSys.Utilities.Means

Package of mathematical mean functions

Information

Extends from Modelica.Icons.Package (Icon for standard packages).

Package Content

Name	Description
arithmetic	Return the arithmetic mean of numbers
harmonic	Return the harmonic mean of numbers

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FCSys.Utilities.Means.arithmetic

Return the arithmetic mean of numbers

Information

Example:
arithmetic({1,2,3}) returns 2.

Extends from Modelica.Icons.Function (Icon for functions).

Inputs

Type	Name	Default	Description
Real	u[:]		Vector of numbers

Outputs

Type	Name	Description
Real	mean	Arithmetic mean

Modelica definition

function arithmetic "Return the arithmetic mean of numbers"
  extends Modelica.Icons.Function;
  input Real u[:] "Vector of numbers";
  output Real mean "Arithmetic mean";

algorithm 
  mean := sum(u)/size(u, 1);
end arithmetic;

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FCSys.Utilities.Means.harmonic

Return the harmonic mean of numbers

Information

Example:
harmonic({1,1/3}) returns 0.5.

Extends from Modelica.Icons.Function (Icon for functions).

Inputs

Type	Name	Default	Description
Real	u[:]		Vector of numbers

Outputs

Type	Name	Description
Real	mean	Harmonic mean

Modelica definition

function harmonic "Return the harmonic mean of numbers"
  extends Modelica.Icons.Function;
  input Real u[:] "Vector of numbers";
  output Real mean "Harmonic mean";

algorithm 
  mean := if size(u, 1) == 1 then u[1] else size(u, 1)/sum(1/u for u in u);
end harmonic;