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Feeds
Question
Does the lqed2 builtin function exist in Matlab 2013b?
Hi, I am using an external toolbox, the SMI toolbox. One function of this toolbox calls the builtin function 'lqed2'. Now the ...
plus de 10 ans il y a | 1 réponse | 0
1
réponseQuestion
Constant transfer function block in simulink
Hi, I know the frequency response of a model at a specific frequency (for example 1000Hz): this response is of course a complex...
plus de 10 ans il y a | 1 réponse | 0
0
réponseQuestion
forum for automatic and control engineering
Hi, do you know if there is any good forum for control theory and automation engineering? Thanks a lot
plus de 10 ans il y a | 1 réponse | 0
0
réponseQuestion
How to calculate the determinant of a transfer function matrix
Hi everybody, I have a MIMO tf object, which is basically a matrix transfer function in s. How can I calculate the determinant...
plus de 10 ans il y a | 1 réponse | 1
1
réponseQuestion
How to calculate the Relative Gain Array from input/output data?
I need to calculate the RGA for a MIMO system. What I have is a series of experiments in which only one input is not zero (white...
plus de 10 ans il y a | 1 réponse | 1
1
réponseQuestion
Why the covariance matrix is not stored using the n4sid function?
I am performing subspace system identification using the function n4sid which returns a idss model. How ever I always get the fo...
plus de 10 ans il y a | 1 réponse | 0
0
réponsea queston to plot
figure(1) for i=1:100 load (['a' num2str(i) '.mat']) plot(a) hold on end hold off ...
plus de 10 ans il y a | 0
Create bode plot from state space in dB units?
I was doing something similar but had a lot of problems with the bode function. My advice is to use the bode function to get the...
plus de 10 ans il y a | 0
How to read a.txt file in matlab
I have always used textread and it works perfectly. A problem might arise when the value is null: I don't think MatLab can read ...
plus de 10 ans il y a | 0
Question
SMI (subspace model identification) toolbox
Does anyone know or have any reference for the SMI (subspace model identification) MatLab toolbox? I have read and understood th...
plus de 10 ans il y a | 1 réponse | 0
0
réponsewhat is SMI toolbox for PI-MOESP algorithm ? how knows about this?
Unfortunately there is no guide for it but there are some examples (smidemo1,smidemo2, smidemo3). I think you can use also the ...
plus de 10 ans il y a | 0
Question
Get RQ decomposition of concatenated matrices from the single RQ decompositions
I have a question: the subspace algorithms are based on the L-Q decomposition of a matrix. Suppose I have 2 matrices to be decom...
plus de 10 ans il y a | 1 réponse | 0
0
réponseQuestion
Usage of fpe akaike's final prediction error on new data
Hi, I am little confused. The usage of this function should be: FPE = fpe(my_model); on the guide there is written: ...
plus de 10 ans il y a | 1 réponse | 0
0
réponseQuestion
concatenating single-output models obtained with MOESP subspace algorithm to a bigger model with System Identification Toolbox
Hi, I have the following problem: I have a SIMO system and I want to apply subspace identification algorithm (MOESP in the speci...
plus de 10 ans il y a | 1 réponse | 0
0
réponseQuestion
How to get bode transfer function from state space model?
Hi everybody I am having problems to get the Bode transfer function from the state space model. Suppose I have a idss structu...
presque 11 ans il y a | 1 réponse | 0
0
réponseQuestion
How to get bode transfer function from an idss structure?
Hello, I have an array of idss state space models and i'd like to get the Bode Transfer function: is there a way? Also, I am ...
presque 11 ans il y a | 1 réponse | 0
1
réponseQuestion
HOW TO AVERAGE TRANSFER FUNCTIONS
Hi, I am exciting a structure with white noise to get its transfer function. The function I am using is tfestimate. Suppose I u...
presque 11 ans il y a | 1 réponse | 0
1
réponseQuestion
How to put text in the axis for each point in the plot rotated?
I am using plot(0:length(x)-1,x) set(gca,'XTick',0:length(words)-1,'XTickLabel',cellstr(words)); to put some text f...
environ 11 ans il y a | 1 réponse | 0
1
réponseQuestion
How to define and call non constructor object methods?
I have started using object in Matlab but I do not understand how to define or call non-constructor methods. Just a stupid examp...
plus de 11 ans il y a | 1 réponse | 0
1
réponse
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