Overview
Comment:Corrected mistake in step-response calculation.
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SHA3-256: 88386835e829bc42cedab089d0068e18c342d2889eca9b859a966c9ed8c29e9c
User & Date: gawthrop@users.sourceforge.net on 1996-08-11 10:37:40
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Context
1996-08-11
10:38:30
Minor debugging changes. check-in: 5495cab3b8 user: gawthrop@users.sourceforge.net tags: origin/master, trunk
10:37:40
Corrected mistake in step-response calculation. check-in: 88386835e8 user: gawthrop@users.sourceforge.net tags: origin/master, trunk
10:06:50
Now allows e format and NaN numbers. check-in: fa5c69c7a5 user: gawthrop@users.sourceforge.net tags: origin/master, trunk
Changes
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Modified mttroot/mtt/bin/trans/m/dm2sr.m from [dcd7ecbaa1] to [27a1ed2c88]. 

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function sr = dm2sr(A,B,C,D,E,T);
% sr = dm2sr(A,B,C,D,E,T);
% Descriptor matrix to impulse response.
% NB At the moment - this assumes that E is unity .....
% A,B,C,D,E - descriptor matrices
% T vector of time points

% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$



% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


[N,M] = size(T);
if M>N
  T = T';
  N = M;
end;

[Ny,Nu] = size(D);
NN=Ny*Nu;

[N_y,N_x] = size(C);
one = eye(N_x);

sr = zeros(N,NN);
i = 0;
for t = T'
  i=i+1;

  sr(i,:) = reshape(C*(1-exp(A*t))*B + D*ones(size(t)), 1,NN);
end;














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function sr = dm2sr(A,B,C,D,E,T);
% sr = dm2sr(A,B,C,D,E,T);
% Descriptor matrix to impulse response.
% NB At the moment - this assumes that E is unity .....
% A,B,C,D,E - descriptor matrices
% T vector of time points

% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.1  1996/08/11 09:42:40  peter
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


[N,M] = size(T);
if M>N
  T = T';
  N = M;
end;

[Ny,Nu] = size(D);
NN=Ny*Nu;

[N_y,N_x] = size(C);
one = eye(N_x);

sr = zeros(N,NN);
i = 0;
for t = T'
  i=i+1;
  SR = C*( A\(exp(A*t)-1) )*B + D*ones(size(t));
  sr(i,:) = reshape(SR, 1,NN);
end;

MTT: Model Transformation Tools
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