Đề Tài :
VẼ ĐỒ THỊ ÁP 3 PHA HÌNH SIN TRÊN 3 CỬA SỔ KHÁC NHAU
x=linspace(0,5*pi,550);% cho x chay tu o den 4 pi voi 550 mau
>> y1=6*sin(x);
>> y2=6*sin(x+2*pi/3);
>> y3=6*sin(x-2*pi/3);
>> figure(1)
>> plot(x,y1,'r-');
>> %set axis limits and grid lines
>> grid on
>> xlabel('time')
>> ylabel('Amplitude')
>> legend('First')
Trang 2>> %ve do thi thu 2
>> firuge(2)
>> figure(2)
>> plot(x,y2,'g-');
>> % set axis limits and lines
>> % set axis limits and grid lines
>> xlabel('Time')
>> y label('Amplitude')
>> legend('second')
Trang 3>> % ve do thi thu 3
>> figure(3)
>> plot(x,y3,'g-');
>> xlabel('time')
>> ylabel('Amplitude')
>> legend('third')
>> title('3 phase_sin plot')
>>