% data for espresso problem.
n = 10;
Ta = 20;   % ambient temperature.
Tw = 100;  % temperature of preheating water.
Te = 95;   % temperature of espresso.
A = [...
 -1.00   1.00   0.00   0.00   0.00   0.00   0.00   0.00   0.00   0.00   0.00;
 33.33 -44.44  11.11   0.00   0.00   0.00   0.00   0.00   0.00   0.00   0.00;
  0.00  11.11 -22.22  11.11   0.00   0.00   0.00   0.00   0.00   0.00   0.00;
  0.00   0.00  11.11 -22.22  11.11   0.00   0.00   0.00   0.00   0.00   0.00;
  0.00   0.00   0.00  11.11 -22.22  11.11   0.00   0.00   0.00   0.00   0.00;
  0.00   0.00   0.00   0.00  11.11 -22.22  11.11   0.00   0.00   0.00   0.00;
  0.00   0.00   0.00   0.00   0.00  11.11 -22.22  11.11   0.00   0.00   0.00;
  0.00   0.00   0.00   0.00   0.00   0.00  11.11 -22.22  11.11   0.00   0.00;
  0.00   0.00   0.00   0.00   0.00   0.00   0.00  11.11 -22.22  11.11   0.00;
  0.00   0.00   0.00   0.00   0.00   0.00   0.00   0.00  11.11 -22.22  11.11;
  0.00   0.00   0.00   0.00   0.00   0.00   0.00   0.00   0.00  11.11 -11.31;
];