Re: Integrate[ 0.0*x, {x, 0, y}]
- To: mathgroup at smc.vnet.net
- Subject: [mg103050] Re: [mg103021] Integrate[ 0.0*x, {x, 0, y}]
- From: "David Park" <djmpark at comcast.net>
- Date: Sat, 5 Sep 2009 05:37:28 -0400 (EDT)
- References: <11733267.1252049077053.JavaMail.root@n11>
Because by including a decimal point you told Mathematica that the integrand
was only approximately zero. Try
Integrate[0 x, {x, 0, y}]
0
Or use Chop
Integrate[0.0*x, {x, 0, y}] // Chop
0
David Park
djmpark at comcast.net
http://home.comcast.net/~djmpark/
From: Nankyoku Ice [mailto:406of76013 at gmail.com]
Why does Integrate[ 0.0 * x, {x, 0, y}] yield 0.0*y^2, not 0 ?