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Suat Gumussoy

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Answered
hinfnorm command
Bode, sigma plot and norm commands work for descriptor systems. Assuming system matrices are a,b,c,d,e. Define your descriptor s...

13 years ago | 1

Answered
hinfnorm command
You're welcome. If you have singular E, I suggest to use dss and create ss object. bode, sigma and norm are defined for descript...

13 years ago | 1

Answered
hinfnorm command
About hinfnorm... this function is not implemented to be used with descriptor systems. see line 45 in hinfnorm function [a,b,...

13 years ago | 1

Answered
hinfnorm command
I double checked the computation in your version of MATLAB R2011a, norm(sys,inf) gives 0.0086 at frequency 0 and this is consist...

13 years ago | 1

Answered
hinfnorm command
Which matlab version do you have?

13 years ago | 1

Answered
hinfnorm command
As I pointed out earlier, svd plot (in this case bode) and norm(sys,inf) are consistent. >> [f,w]=norm(sys,inf) f = ...

13 years ago | 1

Answered
hinfnorm command
B data has incompatible dimensions.

13 years ago | 1

Answered
hinfnorm command
Some other things... assuming that plant matrices E,A,B,C,D, you can create and ss object by sys = dss(A,B,C,D,E); and eigen...

13 years ago | 1

Answered
hinfnorm command
Could you send me or post your plant that you used for norm computation? I suggest you to use norm(sys,inf,tol) with desired to...

13 years ago | 1