Index: mttroot/mtt/lib/control/PPP/ppp_nlin_run.m
==================================================================
--- mttroot/mtt/lib/control/PPP/ppp_nlin_run.m
+++ mttroot/mtt/lib/control/PPP/ppp_nlin_run.m
@@ -164,11 +164,11 @@
 	pars(i_ppp(:,1)) = U_old; # Update the simulation ppp weights
 	
 	## Optimise
 	tick = time;
 	[pars,Par,Error,Y,its] = \
-	    ppp_optimise(s_system_name,x_0_models,pars,simpar_est,u_star_t,y_est,i_par,extras);
+	    ppp_optimise(s_system_name,x_0_models,pars,simpar_est,u_star_t,y_est,i_par,Q,extras);
 	
 	if extras.visual
 	  figure(11);
 	  title("Parameter optimisation"); 
 	  II = [1:length(y_est)]; plot(II,y_est,"*", II,Y);