a=sqrt(2)/2;
% Kolumnnummer
%   1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17
%                                                          rad nod led
A=[-a  0  0  1  a  0  0  0  0  0  0  0  0  0  0  0  0      % 1  2   x
   -a  0 -1  0 -a  0  0  0  0  0  0  0  0  0  0  0  0      % 2  2   y
    0 -1  0  0  0  1  0  0  0  0  0  0  0  0  0  0  0      % 3  3   x
    0  0  1  0  0  0  0  0  0  0  0  0  0  0  0  0  0      % 4  3   y
    0  0  0 -1  0  0  0  1  0  0  0  0  0  0  0  0  0      % 5  4   x
    0  0  0  0  0  0 -1  0  0  0  0  0  0  0  0  0  0      % 6  4   y
    0  0  0  0 -a -1  0  0  a  1  0  0  0  0  0  0  0      % 7  5   x
    0  0  0  0  a  0  1  0  a  0  0  0  0  0  0  0  0      % 8  5   y
    0  0  0  0  0  0  0 -1 -a  0  0  1  a  0  0  0  0      % 9  6   x
    0  0  0  0  0  0  0  0 -a  0 -1  0 -a  0  0  0  0      %10  6   y
    0  0  0  0  0  0  0  0  0 -1  0  0  0  1  0  0  0      %11  7   x
    0  0  0  0  0  0  0  0  0  0  1  0  0  0  0  0  0      %12  7   y
    0  0  0  0  0  0  0  0  0  0  0 -1  0  0  0  a  0      %13  8   x
    0  0  0  0  0  0  0  0  0  0  0  0  0  0 -1  a  0      %14  8   y
    0  0  0  0  0  0  0  0  0  0  0  0 -a -1  0  0  1      %15  9   x
    0  0  0  0  0  0  0  0  0  0  0  0  a  0  1  0  0      %16  9   y
    0  0  0  0  0  0  0  0  0  0  0  0  0  0  0 -a -1];    %17 10   x

%   1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17

b= [0  0  0 10  0  0  0 10  0  0  0 10  0  0  0 10  0]';

