fixing bug when lags are greater than one period

matlab/sim1_purely_backward.m

@@ -46,7 +46,7 @@ function sim1_purely_backward()
                               M_.endo_nbr, 1, options_.gstep, ...
                               options_.solve_tolf,options_.solve_tolx, ...
                               options_.simul.maxit,options_.debug,oo_.exo_simul, ...
-                              M_.params, oo_.steady_state, it);
+                              M_.params, oo_.steady_state, it+M_.maximum_lag-1);
 
         if check
             oo_.deterministic_simulation.status = 0;