sim('A3_23sys',4,simset('Solver','ode45'));
tvS=tout;yvS=yout;
sim('A3_23sys',4,simset('Solver','ode1','FixedStep',0.005));
tE0005=tout;yE0005=yout;
sim('A3_23sys',4,simset('Solver','ode1','FixedStep',0.05));
tE005=tout;yE005=yout;
sim('A3_23sys',4,simset('Solver','ode1','FixedStep',0.1));
tE01=tout;yE01=yout;
sim('A3_23sys',4,simset('Solver','ode1','FixedStep',0.5));
tE05=tout;yE05=yout;
h(1)=subplot(4,1,1);plot(tvS,yvS,tE0005,yE0005,'r');grid;title('variabelStep und Euler mit T=0.005s');
h(2)=subplot(4,1,2);plot(tvS,yvS,tE005,yE005,'r');grid;title('... und Euler mit T=0.05s');
h(3)=subplot(4,1,3);plot(tvS,yvS,tE01,yE01,'r');grid;title('... und Euler mit T=0.1s');
h(4)=subplot(4,1,4);plot(tvS,yvS,tE05,yE05,'r');grid;title('... und Euler mit T=0.5s');
set(gca,'yLim',[0,10]);
linkaxes(h,'x');