1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
+
+
+
|
function fr = dm2fr(A,B,C,D,E,W,u0)
% fr = dm2fr(A,B,C,D,E,W,u0)
% Descriptor matrix to frequency response.
% A,B,C,D,E - descriptor matrices
% W vector of frequency points
% u0 input gain vector: u = u0*unit phasor
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.5 1996/08/16 14:26:37 peter
% %% Check and fix size of u0.
% %%
% %% Revision 1.4 1996/08/15 12:50:51 peter
% %% Put in a conj to undo effect of transpose.
% %%
% %% Revision 1.3 1996/08/15 11:53:44 peter
% %% Now has u0 input vector
% %%
% %% Revision 1.2 1996/08/15 10:24:28 peter
|
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
-
+
|
end;
fr = zeros(N,Ny);
i = 0;
for w = W'
i = i+1;
FR = C*( (E*j*w - A) \ B*u0 ) + D*u0
FR = C*( (E*j*w - A) \ B*u0 ) + D*u0;
fr(i,:) = conj(FR');
end;
|