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3.8 Pole/Zero Analysis 323
option name
default value
Prescaling True whether to prescale the rows of the matrix
pencil
ProjectionVectors
Protocol
SingularityTest
{LeftEigenvector, RightEigenvector}
the projection vectors used by the Jacobi
orthogonal correction method
Inherited[AnalogInsydes]
standard Analog Insydes protocol
specification (see Section 3.14.5)
SingularityTestByLU
the function used to determine whether an
approximated matrix is singular
TestFrequency 1. the frequency or point in the complex plane
at which singularity tests are performed
Tolerance 0.05 the maximum logarithmic distance between
the initial guess and the calculated
eigenvalue Λ
Options for ApproximateDeterminant, Part III.
See also: GeneralizedEigensystem (Section 3.8.1), LREigenpair (Section 3.8.7).
Options Description
A detailed description of all ApproximateDeterminant options is given below in alphabetical order:
AccuracyGoal
AccuracyGoal −> n specifies the desired accuracy of the sought eigenvalue in terms of the number
of accurate significant digits. The value of AccuracyGoal is used to determine an appropriate setting
for the MaxResidual option if MaxResidual −> Automatic. See also LREigenpair (Section 3.8.7).
DesignPoint
With DesignPoint −> dp, you can specify a list of design-point values for the coefficients of
a symbolic system of circuit equations. The default setting DesignPoint −> Automatic causes
ApproximateDeterminant to use the design-point information stored in dae. You can use the
DesignPoint option to override design-point data stored in dae.