How can I deal with the content of a generalized matrix?
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I would like to operate with a generalized matrix / generalized system getting the real and imaginary parts of its elements, but the use of real tunable parameters is not compatible.
a = realp('a',1);
b = realp('b',-0.5);
D = a+1i*b;
sys = ss([],[],[],D)
real(sys.D)
I know I can get the value, but I looking for the expression with the tunable parameter. I also know that symbolic computing could be an option, but it is not compatible with state-space dynamic systems.
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MULI
le 18 Juin 2024
Hi Mario,
I understand that you are facing an issue in handling complex numbers to separate the real and imaginary parts within a control system model.
Below MATLAB Code helps in modifying these values:
% Define the real and imaginary parts as tunable parameters
a = realp('a', 1); % Real part with initial value 1
b = realp('b', -0.5); % Imaginary part with initial value -0.5
% Combine 'a' and 'b' to form a complex number for the D matrix in a state-space model
D = a + 1i*b
% Create the state-space model with this D matrix
sys = ss([], [], [], D);
% Update the values of 'a' and 'b'
sys.Blocks.a.Value = 2; % New value for 'a'
sys.Blocks.b.Value = -1; % New value for 'b'
% Display the current D matrix of the system
disp('Updated D matrix:');
disp(sys.D);
By executing these statements, the values of the parameters `a` and `b` within your system model `sys` can be modified programmatically.
You may refer this documentation link for more information on properties of “ss” (state space model) function.
Hope this clears your query!
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