This is documentation for Mathematica 8, which was
based on an earlier version of the Wolfram Language.
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# TransferFunctionZeros

 TransferFunctionZeros[tf] gives a matrix of roots of the numerators in the TransferFunctionModel object tf.
Compute the zeros for a SISO system:
Zeros for a MIMO system:
Compute the zeros for a SISO system:
 Out[1]=

Zeros for a MIMO system:
 Out[1]=
 Out[2]//MatrixForm=
 Scope   (4)
The zeros of a SISO system:
The zeros of a MIMO system:
Compute the zeros of a inverted pendulum model:
The zeros of a system with parallel subsystems:
They are different from the zeros of the individual subsystems:
 Applications   (2)
Compute the zeros of a PID controller:
A function to create pole-zero plots:
For SISO systems, the zeros block the transmission of specific input signals:
The steady-state response of the system to Sin is zero, while the response to Sin is not:
For a damped second-order system with a minimum-phase zero, the rise time decreases and the overshoot increases as the zero moves away from the poles:
The response of a system with nonminimum-phase zeros starts out in the reverse direction:
A discrete-time, nonminimum-phase system:
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