Re: question about NIntegrate
- To: mathgroup at smc.vnet.net
- Subject: [mg124977] Re: question about NIntegrate
- From: Bob Hanlon <hanlonr357 at gmail.com>
- Date: Wed, 15 Feb 2012 04:43:51 -0500 (EST)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
- References: <201202141138.GAA17746@smc.vnet.net>
$Version "8.0 for Mac OS X x86 (64-bit) (October 5, 2011)" y = 10; z = 1; NIntegrate[Exp[-(x - y)/z], {x, 0, Infinity}] 22026.5 Works fine here. Try starting with a fresh session. Bob Hanlon On Tue, Feb 14, 2012 at 6:38 AM, Leslaw Bieniasz <nbbienia at cyf-kr.edu.pl> wrote: > > > Hi, > > I want to use function NIntegrate to integrate a function of x > that depends on two parameters y and z. However, when I write > something of the kind: > > y=10; > z=1; > NIntegrate[Exp[-(x-y)/z],{x,0,Infinity}] > > I get an error: Integrand is not numerical at {x} = {1.} > > Strangely, if my function has only one parameter, the following > code works fine: > > y=10; > NIntegrate[Exp[-(x-y)],{x,0,Infinity}] > > giving the result 22026.5 > > What am I doing wrong? > > Leslaw >
- References:
- question about NIntegrate
- From: Leslaw Bieniasz <nbbienia@cyf-kr.edu.pl>
- question about NIntegrate