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sos_to_zpk (MathScript RT Module Function)

LabVIEW 2012 MathScript RT Module Help

Edition Date: June 2012

Part Number: 373123C-01

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Owning Class: linear systems

Requires: MathScript RT Module


[z, p, k] = sos_to_zpk(s)

[z, p, k] = sos_to_zpk(s, g)

Legacy Name: sos2zp


Converts a second-order section system to zero-pole-gain representation.



Name Description
s Specifies a second-order section system. s is an L-by-6 matrix. Each row of s contains the coefficients of one section as [b0 b1 b2 1 a1 a2].
g Specifies the gain of the system. The default is 1.


Name Description
z Returns the zeros of the system. z is a vector.
p Returns the poles of the system. p is a vector.
k Returns the gain of the system. k is a real number.


The following table lists the support characteristics of this function.

Supported in the LabVIEW Run-Time Engine Yes
Supported on RT targets Yes
Suitable for bounded execution times on RT Not characterized


[z, p, k] = sos_to_zpk([1 1 1 1 2 1; 1 2 1 1 1 1])

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