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 Sep 14 awarded Popular Question Aug 7 awarded Popular Question Jul 30 awarded Yearling Jun 12 awarded Popular Question Jun 9 awarded Famous Question Jun 4 awarded Notable Question Nov 6 awarded Popular Question Aug 24 awarded Popular Question Aug 19 awarded Nice Question Jul 30 awarded Yearling Jul 2 awarded Curious Apr 21 awarded Popular Question Mar 7 comment How to add a subplot in corner of plot? thanks, exactly what I was looking for. Mar 7 asked How to add a subplot in corner of plot? Feb 1 awarded Popular Question Dec 11 awarded Notable Question Nov 8 comment Plotting a function only non-zero for discrete values of argument Thanks a lot. Is there an easy way to then build $f(E)$ from this table of pairs? i.e. for each row: compute $E$ and then compute $f(E)$ by adding the $w$ functions from the summand for each $(n,\ell)$ pair in the row... Nov 8 accepted Plotting a function only non-zero for discrete values of argument Nov 6 comment Plotting a function only non-zero for discrete values of argument Upper limits of the sums are infinity, but I don't need to calculate f for an E corresponding to such high values, so in principle the cut-off is arbitrary, depending on the range of the plot one wishes to generate. I don't think it is necessary to know the values of the constants, but an example is $\rho=0.5,R=1000$ Nov 6 comment Plotting a function only non-zero for discrete values of argument Included code now.