21 lines
545 B
Matlab
21 lines
545 B
Matlab
function sigma(G,w)
|
|
% sigma - singular value plots of a MIMO FOTF object
|
|
%
|
|
% sigma(G,w)
|
|
%
|
|
% G - a MIMO FOTF object
|
|
% w - a frequency vector
|
|
|
|
% Copyright (c) Dingyu Xue, Northeastern University, China
|
|
% Last modified 28 March, 2017
|
|
% Last modified 18 May, 2022
|
|
if nargin==1, w=logspace(-4,4); end
|
|
H=bode(G,w); subplot(111); h1=[]; H1=H;
|
|
h=H.ResponseData; [n,m,k]=size(h);
|
|
for i=1:k, h1=[h1, svd(h(:,:,i))]; end
|
|
for i=1:min([n,m])
|
|
h2(1,1,:)=h1(i,:).'; H1.ResponseData=h2; bodemag(H1), hold on
|
|
end
|
|
hold off
|
|
end
|