15 lines
407 B
Matlab
15 lines
407 B
Matlab
function key=iszero(g)
|
|
% iszero - check whether a SISO FOTF object is zero or not
|
|
%
|
|
% key=iszero(G)
|
|
%
|
|
% G - a SISO FOTF object
|
|
% key - identifier, if G is zero, then key = 1.
|
|
|
|
% Copyright (c) Dingyu Xue, Northeastern University, China
|
|
% Last modified 28 March, 2017
|
|
% Last modified 18 May, 2022
|
|
key=0; [~,~,b,nb]=fotfdata(g);
|
|
if isempty(b) || (length(nb)==1 && abs(b(1))<eps), key=1; end
|
|
end
|