functionpolyTime

Calculates time constants from polynome coefficients

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

Information

This function is related to Math.polyRoots, but modified for polynomes of the form

  product(1 + p*T[k]), k in 1:n

It determines first the root vector

  r[k] = -1/T[k], k in 1:n
 and herefrom T. The time constants are sorted in descending order.
A boolean variable Tisreal indicates whether all time constants are real or not.
See also polyCoef

Inputs

Type	Name	Default	Description
Real	a		coefficients of polynome

Outputs

Type	Name	Default	Description
SI.Angle	T		time constant
Boolean	Tisreal		true if all time constants real