A modification of the Nevanlinna algorithm on the solution of the H/sup infinity //sub m*n/-optimization problem

A modification of the Nevanlinna algorithm is presented for the solution of the H/sup infinity //sub m*m/-optimization problem. This is an essential modification when the Nevanlinna algorithm is applied to find the extremal function of the matrix H/sup infinity / interpolation problem which deals with the case that the interpolation points have multiplicities. For the computation of the minimal H/sup infinity /-norm, a pure matrices computational algorithm is used where the formulation is solely in terms of the coefficients of the inner function.<
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