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sos_to_tf (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


[b, a] = sos_to_tf(s)

[b, a] = sos_to_tf(s, g)

Legacy Name: sos2tf


Converts a second-order section filter to a transfer function.



Name Description
s Specifies a second-order section filter. 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 filter. g is a real number.


Name Description
b Returns the numerator of the filter. b is a real vector.
a Returns the denominator of the filter. a is a real vector.


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


s = [1 1 1 1 2 1; 1 2 1 1 1 1];
g = 9;
[b, a] = sos_to_tf(s, g)

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