% structure |penm|. Examples how to generate it are below or in
% directory |penlab\examples|.
%
%  problem = penlab(penm);
% 
% 
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%% Elements of the penm structure
% 
% *IMPORTANT NOTE*
%
% Whenever matrix variables |Y{1}, Y{2}, ..., Y{NY}| are present, they 
% will be vectorized. All elements of this new vector will be counted with 
% indices starting with |(Nx+1)| (|Nx| = number of scalar variables), using 
% the ordering |Y{1}, Y