[tex]\sum_{k=0}^{∞} (t-2k) [u(t-2k)-u(t-2(k+1))] = f(t)[/tex](adsbygoogle = window.adsbygoogle || []).push({});

where [tex]u[/tex] is the step function and the graph of this is supposed to be 45 degree lines repeating to infinity. Sort of like

/ / / / / / / / / ad infinitum. I took this equation out of this lecture note on page 10. Fig 5.4 is supposedly the graph of it and example 5.27 is where they ask to solve it.

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# How do I plot this periodic step function with GNUplot?

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