how to caculate the norm infinite with the limit frequency domain

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jingwen
jingwen on 21 Mar 2012
In matlab, H infinity norm is caculated with order 'norm(sys,inf)' as sup singular values.
But the frequency domain w is contained into [0,inf], if I want to caculate this with the limited domain [w1,w2], how to do this in matlab?
Thank you

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Answers (1)

jingwen
jingwen on 23 Mar 2012
may be can add a filter to limite the caculate domain, for example, s/(s+w1)(s+w2), however, the effect is not very good.
Is it possible to caculate with the norm directly in matlab?

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