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Student Support Forum: 'Troubles with Inverse PolyLog' topicStudent Support Forum > General > Archives > "Troubles with Inverse PolyLog"

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Stefan
10/05/12 04:01am

Hello there,

i am trying to solve the following:

Int[x_] =
Simplify[Integrate[Sqrt[t]/(1 + Exp[t - x]), {t, 0, Infinity}]]

This gives me a PolyLog as the outcome.


Then i want to find "x" for a given "Int":

y = N[x /. NSolve[Int[x] == 1, x]][[1]]


I just dont get a numerical output for this one. Does anyone have a suggestion how to get at least one numeric value for this.


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Subject (listing for 'Troubles with Inverse PolyLog')
Author Date Posted
Troubles with Inverse PolyLog Stefan 10/05/12 04:01am
Re: Troubles with Inverse PolyLog Peter Pein 10/05/12 1:32pm
Re: Troubles with Inverse PolyLog Bill Simpson 10/05/12 1:47pm
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