function sse=sse(param)
%-----------------------------------------------------------------------
% Evaluate the function (which is sse) to be minimized
% Instructor: Nam Sun Wang
% ----------------------------------------------------------------------

      global T P

% Use my own variables
      A = param(1);
      B = param(2);
      C = param(3);

% Calculate sse (sum of squared error)
      error = P - exp(A-B./(T+C));
      sse = sum(error.^2);