How can one display the actual integral involved in special functions like this
MarcumQ[2, a, b]
in Mathematica?
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2 Answers
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?? MarcumQ
Then click on the >> to go to the reference page. Then open the Details panel to see:
$Q_m(a,b) = \int\limits_b^\infty x \left( {x \over a}\right)^{m-1} I_{m-1}(a x) Exp[- {1 \over 2} (a^2 + x^2)]\ dx$
answered Mar 26, 2015 at 1:45
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$\begingroup$ When I type in mathematica: ?? MarcumQ ; Mathematica shows: MarcumQ[m,a,b] gives Marcum's Q function Subscript[Q, m](a,b). MarcumQ[m,a,Subscript[b, 0],Subscript[b, 1]] gives Marcum's Q function Subscript[Q, m](a,Subscript[b, 0])-Subscript[Q, m](a,Subscript[b, 1]). >> $\endgroup$– kakaCommented Mar 26, 2015 at 1:53
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To get your Integral(s), You can use Wolfram|Alpha, see Wolfram|Alpha Integration, see also How can I get all the results from a Wolfram | Alpha query?,
You ca also use http://www.wolframalpha.com/
