I need to make a square wave

I need to make a square wave

at 1v for 2000s

then -1v for 2000s

then 1v for 4000s

then -1v for 6000s

then 1v for 2000s

I deally a funtion that can make a square wave from the signal below like in red

[Bjorn Gustavsson]

How I would do this depends on whether the function is supposed to continue somehow periodically after the end of your definition above or if that is the entire domain of your function.

Answer 1

[prasanth s]

see:

https://in.mathworks.com/help/signal/examples/signal-smoothing.html

https://in.mathworks.com/matlabcentral/answers/320596-fft-and-smoothing-of-signal

https://in.mathworks.com/help/signal/smoothing-and-denoising.html