sed time for computing Ke for tril(K) on serial CPU: %f\n',times);
%% Credits
% Written by *Francisco Javier Ramírez-Gil*, <http://fjramireg@gmail.com fjramireg@gmail.com>
% 
% Code site:
%% 
% * <https://github.com/fjramireg/StiffMa https://github.com/fjramireg/StiffMa>
% * <https://www.mathworks.com/matlabcentral/fileexchange/76947-stiffma https://www.mathworks.com/matlabcentral/fileexchange/76947-stiffma>
%% 
% Sponsors: 
%% 
% * <https://pascualbravo.edu.co/ Institución Universitaria Pascual Bravo>
% 