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Re: integral; changed to quad example
From: |
Henry F. Mollet |
Subject: |
Re: integral; changed to quad example |
Date: |
Fri, 19 Aug 2005 10:23:50 -0700 |
User-agent: |
Microsoft-Entourage/11.1.0.040913 |
GNU Octave, version 2.1.71 (powerpc-apple-darwin8.1.0).
Example for using quad is given below. Results as given in the example but
what is ABNORMAL RETURN FROM DQAGP?
Henry
octave:10> function y = f (x)
> y = x .* sin (1 ./ x) .* sqrt (abs (1 - x));
> endfunction
octave:11> [v, ier, nfun, err] = quad ("f", 0, 3)
ABNORMAL RETURN FROM DQAGP
v = 1.9819
ier = 1
nfun = 5061
err = 1.1522e-07
on 8/19/05 2:01 AM, Marek Szczypinski at address@hidden wrote:
> Hi,
> Try:
> http://www.octave.org/doc/Functions-of-One-Variable.html
> maybe this will help
> Marek
>
> Homo sum, humani nihil a me alienum puto.
>
> On Thu, 18 Aug 2005, Fred J. wrote:
>
>> Hello
>>
>> I need to do an integration
>>
>> integrate_0^(x-1/2) integrate_(1/2+y)^0 12xy(1-y) dx
>> dy
>>
>> how can I use octave to do this. I have been reading a
>> lot in the
>> first few pages of the manual but need to know if this
>> is even do-able
>> with octave?
>>
>> thanks
>>
>>
>>
>> ____________________________________________________
>> Start your day with Yahoo! - make it your home page
>> http://www.yahoo.com/r/hs
>>
>>
>>
>>
>> -------------------------------------------------------------
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>> -------------------------------------------------------------
>>
>
>
>
> -------------------------------------------------------------
> Octave is freely available under the terms of the GNU GPL.
>
> Octave's home on the web: http://www.octave.org
> How to fund new projects: http://www.octave.org/funding.html
> Subscription information: http://www.octave.org/archive.html
> -------------------------------------------------------------
>
-------------------------------------------------------------
Octave is freely available under the terms of the GNU GPL.
Octave's home on the web: http://www.octave.org
How to fund new projects: http://www.octave.org/funding.html
Subscription information: http://www.octave.org/archive.html
-------------------------------------------------------------
- integral, Fred J., 2005/08/19
- Re: integral, Marek Szczypinski, 2005/08/19
- Re: integral; changed to quad example,
Henry F. Mollet <=
- Re: integral, Miroslaw Kwasniak, 2005/08/19
- Re: integral, Paul Kienzle, 2005/08/19
- Re: integral, LindnerW, 2005/08/19