Error in Symbolic Line Integral
- To: mathgroup at smc.vnet.net
- Subject: [mg22774] Error in Symbolic Line Integral
- From: "Kevin J. McCann" <kevinmccann at home.com>
- Date: Sat, 25 Mar 2000 03:58:13 -0500 (EST)
- Organization: @Home Network
- References: <88jvs3$9q2@smc.vnet.net> <88lbtu$bu9@smc.vnet.net> <8bfaer$hq4@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Tried again: W98, Mathematica 4.0.0.0
Integrate[1/z, {z, 1 - I,
1 + I, -1 + I, -1 - I,
1 - I}]
0
However:
Chop[NIntegrate[1/z,
{z, 1 - I, 1 + I, -1 + I,
-1 - I, 1 - I}]]
6.283185307179571*I
Kevin
"Christoffer Karlsson" <ck at kagi.com> wrote in message
news:8bfaer$hq4 at smc.vnet.net...
> Kevin J. McCann <kevin.mccann at jhuapl.edu> wrote:
>
> > Integrate[1/z, {z, 1 - I, 1 + I, -1 + I, -1 - I, 1 - I}]
> > gives zero instead of 2 Pi I
>
> I got 2 Pi I (Mathematica 3.0.1.1x, Macintosh).
>
> --
> Christoffer Karlsson
> Macintosh Software Developer
>