function [varargout] = myMatr_lecture_07(varargin)
if nargin~=0 
for i=1:nargin
    figure(i);
    temp=cell2mat(varargin(i)); 
    varargout(i)={tril(temp)};
    spy(tril(temp),16,'*');
end
else
    disp(['No parametrs!']);
end