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Re: NIntegration Involving Bessel Functions


It does give a numerical answer (at least, my machine does in ver. 4.1.2.0).
I don't think it has to do with the version.

In[1]:=
Table[NIntegrate[BesselJ[2, x]/x, {x, 0, j}],{j,1,10}]
Out[1]=
{0.0599494, 0.211638, 0.38698, 0.516511, 0.565516, 0.546114, 0.500669,
0.47067, 0.\
472743, 0.495653}

You must have a typo somewhere.

Tomas Garza
Mexico City
----- Original Message -----
From: "Cheng-Pang Liu" <cpliu at triumf.ca>
To: mathgroup at smc.vnet.net
Subject: [mg32738] [mg32693] NIntegration Involving Bessel Functions


> Hi,
>
> I used Mathematica (ver. 4.0.1.0) to do the NIntegration involving a
> Bessel function, e.g. BesselJ[2,x]/x. However, it does not give a
> numerical answer (as the online document shows) but a very lengthy
> expression. Is there anything wrong? Is it because of the version?
>
> Thanks,
>
> C. P.
>



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