| Signal Processing Toolbox | |
Convert zero-pole-gain filter parameters to state-space form
Syntax
Description
zp2ss converts a zero-pole-gain representation of a given system to an equivalent state-space representation.
[A,B,C,D] finds a single input, multiple output, state-space representation = zp2ss(z,p,k)
given a system in factored transfer function form.
Column vector p specifies the pole locations, and matrix z the zero locations with as many columns as there are outputs. The gains for each numerator transfer function are in vector k. The A, B, C, and D matrices are returned in controller canonical form.
Inf values may be used as place holders in z if some columns have fewer zeros than others.
Algorithm
zp2ss, for single-input systems, groups complex pairs together into two-by-two blocks down the diagonal of the A matrix. This requires the zeros and poles to be real or complex conjugate pairs.
See Also
sos2ss, ss2zp, tf2ss, zp2sos, zp2tf
| | zp2sos | zp2tf | |
© 1994-2005 The MathWorks, Inc.