How to generate this kind of waveform?
I want to reproduce a plot like below:
@Cornel wrote:
What the hell is going on with this site that it doesn't show you what you post?
@DJNewman do something and fix this site, let it work like before...
You might also ask yourself whether this could be your fault after all and might be caused by carelessly copying the text from the translator you are using. ?
According the signal your question is not clear. Are you really just asking how to create the sum of 64 random signals?
If so, then how about this:

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