% Use PMI input format described below with maximum degree 2.
%
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% </html>
%% Appendix 4, Definition of PMI input format
%
% The user needs to prepare a structure |pmidata| that stores data for 
% the following problem
%
%    min   c'x + 1/2 x'Hx
%    s.t.  lbg <= B*x <= ubg
%          lbx <=  x  <= ubx 
%          A_k(x)>=0     for k=1,..,Na
%
% where
%
%          A_k(x) = sum_i  x(multi-index(i))*Q_i
%
% for example
%
%          A_k(x) 