ber as described in Example 7.1 from the PENLAB paper
% (directory |tex/penlab_paper|). On input is a given symmetric matrix |H|, 
% not necessarily a correlation matrix, and |kappa|, the required condition
% number of the computed correlation matrix.
%
%  penm = corr_define(kappa, H);
%  problem = penlab(penm);
%  problem.solve();
%  X = problem.Y{1}*problem.x;
% 
% *Static output feedback with COMPLib input*
%
% Go to directory |applications/SOF|.
% We solve feasibility problem for examples f