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What do you want to graph?

The first expression, A1, is:

    sum_{x=1}^{oo} 1/x
If you convert that into a function:

    S(n) = sum_{x=1}^n 1/x
then you'll find that S(n) ~ ln(n)-c where c is a constant.

You can graph these sorts of things at Wolfram Alpha, or even just type the expression into Google and often you'll get something useful. Here's an example:

https://news.ycombinator.com/item?id=9393392



Thanks, in my messing around with WA, I wasnt getting a chart using the limit function, but now i realized I wanted the summation. I havent done much graphing online.

TBH I was just curious how the graphs looked taking the positives and negatives independently.

sum_{x=1}^{oo} 1/x

vs

sum_{x=1}^{oo} (-1)1/x

vs

sum_{x=1}^{oo} (-1)1/(x+1)


I suspect you have problems there with asterisks for multiplication. Edit it to use dot instead of star, then I might be able to reply sensibly.




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