Matlab - Crear leyendas para graficas de manera Agrupada

close all

t=linspace(0,1,10000)';

frec=1:2:6;y=zeros(length(t),length(frec));

for n=1:length(frec)

    y(:,n)=sin(2*pi*frec(n)*t);

end

yruidosa=y+0.1*rand(length(t),length(frec));

plot(t,y,'k',t,yruidosa,'b');

legend({'sin ruido','Con ruido'})

clear all

close all

t=linspace(0,1,1000)';

color={'k','b','m','r','g','c'};

frec=1:2:6;

y=zeros(length(t),length(frec));

hold on

for n=1:length(frec)

    y(:,n)=sin(2*pi*frec(n)*t);

    plot(t,y(:,n),color{n});

    a{n}=['sin ruido n=',num2str(n)];

    legend(a)

    pause(0.5)

end

yruidosa=y+0.1*rand(length(t),length(frec));

for m=1:length(frec)

   plot(t,yruidosa(:,m),['o',color{n+m}]);

    a{n+m}=['con ruido n=',num2str(m)];

    legend(a)

    pause(0.5)

end

hold off

clear all

t=linspace(0,1,1000)';

frec=1:2:6;

y=zeros(length(t),length(frec));

%hold on

for n=1:length(frec)

    y(:,n)=sin(2*pi*frec(n)*t);

end

   yruidosa=y+0.1*rand(length(t),length(frec));

u=plot(t,y,'b-', t,yruidosa,'r+');

legend({'sin ruido','sin ruido','sin ruido','Con ruido','Con ruido','Con ruido'  }   )

clear

close all

t=linspace(0,1,10000)';

frec=1:2:6;

y=zeros(length(t),length(frec));

for n=1:length(frec)

    y(:,n)=sin(2*pi*frec(n)*t);

end

   yruidosa=y+0.1*rand(length(t),length(frec));

hold on   

plot(t,y(:,1),'r', t,yruidosa(:,1),'b');

legend({'sin ruido','Con ruido'}  )

plot(t,y,'r', t,yruidosa,'b');

hold of

clear

close all

t=linspace(0,1,10000)';

frec=1:2:6;

y=zeros(length(t),length(frec));

for n=1:length(frec)

    y(:,n)=sin(2*pi*frec(n)*t);

end

   yruidosa=y+0.1*rand(length(t),length(frec));

hold on   

plot(t,y(:,1),'r', t,yruidosa(:,1),'b');

legend({'sin ruido','Con ruido'}  )

plot(t,y,'r', t,yruidosa,'b');

legend({'sin ruido','Con ruido'})

hold off

clear

close all

t=linspace(0,1,10000)';

frec=1:2:6;

y=zeros(length(t),length(frec));

for n=1:length(frec)

    y(:,n)=sin(2*pi*frec(n)*t);

end

   yruidosa=y+0.1*rand(length(t),length(frec));

hold on   

plot(t,y(:,1),'r', t,yruidosa(:,1),'b');

%legend({'sin ruido','Con ruido'}  )

plot(t,y,'r', t,yruidosa,'b');

legend({'sin ruido','Con ruido'})

hold off