tf2sos(b, a, pairing=None, *, analog=False)
It is generally discouraged to convert from TF to SOS format, since doing so usually will not improve numerical precision errors. Instead, consider designing filters in ZPK format and converting directly to SOS. TF is converted to SOS by first converting to ZPK format, then converting ZPK to SOS.
Numerator polynomial coefficients.
Denominator polynomial coefficients.
The method to use to combine pairs of poles and zeros into sections. See zpk2sos
for information and restrictions on :None:None:`pairing` and :None:None:`analog` arguments.
If True, system is analog, otherwise discrete.
Array of second-order filter coefficients, with shape (n_sections, 6)
. See sosfilt
for the SOS filter format specification.
Return second-order sections from transfer function representation
The following pages refer to to this document either explicitly or contain code examples using this.
scipy.signal._ltisys.TransferFunctionContinuous
scipy.signal._ltisys.TransferFunction
scipy.signal._ltisys.TransferFunctionDiscrete
Hover to see nodes names; edges to Self not shown, Caped at 50 nodes.
Using a canvas is more power efficient and can get hundred of nodes ; but does not allow hyperlinks; , arrows or text (beyond on hover)
SVG is more flexible but power hungry; and does not scale well to 50 + nodes.
All aboves nodes referred to, (or are referred from) current nodes; Edges from Self to other have been omitted (or all nodes would be connected to the central node "self" which is not useful). Nodes are colored by the library they belong to, and scaled with the number of references pointing them