Windowing a sine signal

I dont know what is windowing. Or it is writen wrong, So correct me if it is wrong and help me to solve this problem.

I tried but it is out-off my knowledge.

Answer 1

[Ameer Hamza]

This shows an example of windowing a signal

t = linspace(-2*pi, 2*pi);
y = sin(t);

window = (t-0 > 0) - (t-2 > 0);
windowed_y = window.*y;

subplot(2,1,1)
plot(t, y);
subplot(2,1,2)
plot(t, windowed_y);

[Suraj Narayan]

Thanks it's a great help...

[Ameer Hamza]

I am glad to be of help!