Re: integral to table values
- To: mathgroup at smc.vnet.net
- Subject: [mg60508] Re: integral to table values
- From: Bill Rowe <readnewsciv at earthlink.net>
- Date: Mon, 19 Sep 2005 04:45:29 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
On 9/18/05 at 1:15 AM, poster at giganews.com wrote:
>I can integrate the following expression.
>Integrate[Sqrt[2x - x^2], {x, 0, 2}]
>But, how can I get a TABLE of data? I want to vary the upper limit
>(h) over a range from 0 to 2.
>Ultimately, the table should look like this.
> h val
>----- -----
>0.000 0.000
>0.100 0.029
>.....
>
>1.000 0.785
>
>.....
>0.800 0.586
>1.900 1.541
>2.000 1.570
h[(n_)?NumericQ] :=
NIntegrate[Sqrt[2*x - x^2], {x, 0, n}]
Table[{n, h[n]}, {n, 0, 1, 0.1}]
Note, since you asked for a numeric table, I've used NIntegrate rather than Integrate. There is little point to using Integrate if you are not looking for a symbolic answer.
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