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WOLFRAM SYSTEM MODELER

regSquare2_utility

Interpolating with two 3-order polynomials with a prescribed derivative at x=0

This class is declared protected in Modelica.Fluid.Utilities.regSquare2

Wolfram Language

In[1]:=

SystemModel["Modelica.Fluid.Utilities.regSquare2.regSquare2_utility"]

Out[1]:=

Syntax

y = regSquare2_utility(x, x1, k1, k2, use_yd0, yd0)

Inputs (6)

x	Type: Real
x1	Type: Real Description: Approximation of function abs(x) < x1
k1	Type: Real Description: y = (if x>=0 then k1 else -k2)x\|x\|; k1 >= k2
k2	Type: Real Description: y = (if x>=0 then k1 else -k2)x\|x\|
use_yd0	Default Value: false Type: Boolean Description: = true, if yd0 shall be used
yd0	Default Value: 1 Type: Real Description: Desired derivative at x=0: dy/dx = yd0

Outputs (1)

y	Type: Real