How to extract idpoly property to workspace
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demos serghiou
el 31 de Dic. de 2022
Respondida: Star Strider
el 31 de Dic. de 2022
Hi, how can I extract and put in my workspace variable A and NoiseVariance from idpoly to do further processing?
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Star Strider
el 31 de Dic. de 2022
There are several properties that can be retrieved from the System Identification Toolbox ‘data’ objects. See the documentation on idpoly and others for details.
Try something like this —
LD = load(websave('idpoly','https://www.mathworks.com/matlabcentral/answers/uploaded_files/1248207/idpoly.mat'))
a = LD.a
Coefficients = a.A
Variable = a.Variable
Structure = a.Structure
t = linspace(0, 1.5, 150);
A = polyval(Coefficients, t);
figure
plot(t, real(A), 'DisplayName','Re(A)')
hold on
plot(t, imag(A), 'DisplayName','Im(A)')
plot(t, abs(A), 'DisplayName','|A|')
hold off
grid
legend('Location','best')
.
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