in an SeDuMi input file, for
% instance |arch0.mat| stored in directory |datafiles|. All the user has
% to do to solve the problem is to call 
%
%  [x] = solve_sedumi('datafiles/sedumi-arch0.mat');
%
% or, which is the same, the following sequence of commands:
% 
%  pen = sed2pen('datafiles/sedumi-arch0.mat');
%  bmidata=pen2bmi(pen);
%  penm=bmi_define(bmidata);
%  prob=penlab(penm);
%  prob.solve();
%  x = prob.x;
%
% *Bilinear matrix inequalities*
% 
% Go to directory |interfaces/BMI|. 
