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Re: Integration

  • To: mathgroup at smc.vnet.net
  • Subject: [mg90301] Re: Integration
  • From: "David Park" <djmpark at comcast.net>
  • Date: Sat, 5 Jul 2008 04:49:06 -0400 (EDT)
  • References: <g4kl8m$lru$1@smc.vnet.net>

Rohan,

You didn't give us enough of a record of what you actually did. I suspect 
that you didn't actually define f properly.

Here is an example that works.

f[x_] := x

NIntegrate[f[x], {x, 0, 1}]
0.5

N[Integrate[f[x], {x, 0, 1}]]
0.5

-- 
David Park
djmpark at comcast.net
http://home.comcast.net/~djmpark/


"Eomer" <eomer_28 at hotmail.com> wrote in message 
news:g4kl8m$lru$1 at smc.vnet.net...
> Hello,
>
> I would like to numerically integrate a particular function. I define f to 
> be equal to that function. Then, I do N[Integrate[f,{x,0,1}]. The output 
> is f. Why? Why don't I get an answer?
>
> Thanks
> Rohan.
> 



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