1c

close all;
clear all;

A=230;
fs=100;
t=1;

counter=1;

number=1;

for f=0:5:300
    w=2*pi*f;

    for i=0:1/fs:t
        x(counter)=i;
        y(counter)=sin(w*i);
        %y(licznik)=cos(w*i);
        counter=counter+1;
    end


    Title=['petla nr ' int2str(number) ',  ' 'f = ' int2str(f)];
    hold on
    plot(x,A*y)
    xlabel('second')
    ylabel('Volt')
    title(Title);
    counter=1;
    number=number+1;

    pause(1);
end



f1=5;
f2=105;
f3=205;
counter=1;
for i=0:1/fs:t
        x1(counter)=i;
        y1(counter)=sin(2*pi*f1*i);
        %y1(counter)=cos(2*pi*f1*i);

        x2(counter)=i;
        y2(counter)=sin(2*pi*f2*i);
        %y2(counter)=cos(2*pi*f2*i);

        x3(counter)=i;
        y3(counter)=sin(2*pi*f3*i);
        %y3(counter)=cos(2*pi*f3*i);

        counter=counter+1;
end

figure
hold on
plot(x1,A*y1,'b-')
xlabel('second')
ylabel('Volt')
plot(x2,A*y2,'r-o')
plot(x3,A*y3,'k-x')