%
%   HT1D_SS2A.M  Function evaluation for ODE step in HT1D_SS2.M 
%     
%   given differential eqn.:  z' = Az + b  (where b is time independent)
%
      function zp = ht1d_ss2a(t,z)
      global A b
      zp = A*z + b;
%
%   end of function


