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I need to evaluate the PolyLog function at some points, but I'm interested in numeric values. E.g. PolyLog[3, 2.7] works fine, but PolyLog[3, e] just prints the same PolyLog[3, e]. I somehow need to convert this symbolic representation to a number. Seems like a simple question, but I couldn't find the answer.

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N@PolyLog[3,e] or N[PolyLog[3,e]]

Also if by e you mean E or Exp[1] (Mathematica's notation), then you'll have to change that.

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  • $\begingroup$ Thanks! N[] worked perfectly for me! $\endgroup$ – ivt Feb 9 '15 at 0:08

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