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Re: An approximation of the cumulative integral of Y [message #67302 is a reply to message #67279]

Sun, 12 July 2009 13:00

Jeremy Bailin
Messages: 618
Registered: April 2008

Senior Member

On Jul 12, 11:58 am, Vijay Shah <vijayps...@gmail.com> wrote:
> Hi Vince,
> Thanks for the info.
> I checked the int_tabulated. But the IDL help files indicate "Data
> that is highly oscillatory requires a sufficient number of samples for
> an accurate integral approximation."
> I am not sure for 10 to 12 samples what would work best. I will search
> google to find more information on this. If you know of any paper
> about comparison, please feel to send it.
>
> Regards,
> Vijay

That statement is not particular to INT_TABULATED, but is quite
general: if your sampling is insufficient, the numerical integral will
be inaccurate no matter what method you use.

-Jeremy.

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[Message index]

		Re: An approximation of the cumulative integral of Y By: Vijay Shah on Mon, 13 July 2009 22:23
		Re: An approximation of the cumulative integral of Y By: Jeremy Bailin on Sun, 12 July 2009 13:00
		Re: An approximation of the cumulative integral of Y By: Chris[6] on Sun, 12 July 2009 12:40
		Re: An approximation of the cumulative integral of Y By: Vijay Shah on Sun, 12 July 2009 08:58
		Re: An approximation of the cumulative integral of Y By: Vince Hradil on Sat, 11 July 2009 10:07
		Re: An approximation of the cumulative integral of Y By: Vince Hradil on Sat, 11 July 2009 09:43

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