MATLAB: Plotting square wave in matlab

MATLABplotsquare waves

I dont know why but MATLAB is adding a rise time while plotting the square wave.

How to stop it from doing so?

I want perfect square wave, how can I achieve the same?

The code and png of figure is attached below.

Thanks in advance

Aksh

t = linspace(0,10e-9);
x = square(t*2*pi/(10e-9));
Y_max=x*370.0;
Y_min=x*323.4;
hold on
plot(t,Y_max,'LineWidth',3,'color',[203/255;1/255;98/255]);
plot(t,Y_min,'LineWidth',3,'color',[203/255;1/255;98/255]);

hold off

Best Answer

This is because your x value is different for the point on the bottom compared to the point on top. Your x axis range is so small, that you are able to see this difference (

=1.0101e-10).

I guess technically, it has more to do with the ratio of

to the range of x. You could try adding more data points to t to make it less apparent.

t = linspace(0,10e-9,1000);
x = square(t*2*pi/(10e-9));
Y_max=x*370.0;
Y_min=x*323.4;
hold on
plot(t,Y_max);
plot(t,Y_min);