Do you know how can I draw the graph of the following function? $$ f=\sum_{n\geq 0}1_{[0,n]} $$ I can see for example that the image of any point is infinity. Does anyone have an idea?
2026-04-01 00:44:10.1775004250
How to draw the graph of the $\sum_{n\geq 0}1_{[0,n]}$
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