H infty norme for two dimensional systems

The H infty control problem of twodimensional (2-D) continuous systems in Roesser Model is described by,

( the work is free to download in : https://www.researchgate.net/publication/303821245_Finite_frequency_H_control_of_2-D_continuous_systems_in_Roesser_model )

note :

The transfer function is:

If we want to test and show the authors give an exemaple:

My question is how we can obtain this graph by matlab ??? it is H infty poblem in 2D system.

Answer 1

[Lewis Fer]

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