cell2sos
Converts a cell array to a second order section matrix
Parameters
Description
s=cell2sos(c) converts a a cell array c = { {B1},{A1}, {B2},{A2}, ... {BL},{AL}}
to an L-by-6 second-order-section matrix s given by:
s = [B1 A1
B2 A2
...
BL AL]
numerator vector Bi and denominator vector Ai contains the coefficients of a
linear or quadratic polynomial. If the polynomial is linear, the coefficients
zero-padded on the right.
[s,g]=cell2sos(c) estimates the gain from the leading term of the cell array
c={ {[g1,g2]},{B1},{A1}, {B2},{A2}, ... {BL},{AL}} to give g=g1/g2 as the gain
Example
c=cell(1,5);
c(1,1).entries=[2, 1];
c(1,2).entries=rand(1,3);
c(1,3).entries=rand(1,3);
c(1,4).entries=rand(1,3);
c(1,5).entries=rand(1,3);
c =
column 1 to 3
![2,1] [0.2113249,0.7560439,0.0002211] [0.3303271,0.6653811,0.6283918] !
column 4 to 5
![0.8497452,0.6857310,0.8782165] [0.0683740,0.5608486,0.6623569] !
[s,g]=cell2sos(c);
s =
column 1 to 5
0.2113249 0.7560439 0.0002211 0.3303271 0.6653811
0.8497452 0.6857310 0.8782165 0.0683740 0.5608486
column 6
0.6283918
0.6623569
g =
2.
Author
Ankur Mallick