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3.8 Pole/Zero Analysis 315<br />

r v ⩵ <br />

v H A ΛB <br />

r u ⩵ A ΛBu <br />

<br />

<br />

The last return value, iter, denotes the number of iterations needed to compute lambda with the<br />

desired accuracy.<br />

LREigenpair has the following options:<br />

option name<br />

default value<br />

AccuracyGoal<br />

Round[0.5*$MachinePrecision]<br />

the accuracy goal for the sought eigenvalue<br />

DesignPoint Automatic the design-point values for the coefficients<br />

of dae<br />

FrequencyVariable Automatic the name of the variable that represents the<br />

complex frequency in dae<br />

InitialGuess Automatic initial guesses for the left and right<br />

eigenvectors<br />

MaxIterations 60 the maximum number of iterations for the<br />

Jacobi orthogonal correction method<br />

Options for LREigenpair, Part I.

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