Re: How to simplify "Integrate[2 f[x], {x, 0, 1}]/2" to "Integrate[f[x],

*To*: mathgroup at smc.vnet.net*Subject*: [mg109220] Re: How to simplify "Integrate[2 f[x], {x, 0, 1}]/2" to "Integrate[f[x],*From*: Andreas Hinze <ahz at snafu.de>*Date*: Sat, 17 Apr 2010 06:05:52 -0400 (EDT)*References*: <hq9c2m$qfo$1@smc.vnet.net>

Hi Klaus Klaus Engel schrieb: > ... The input > > Integrate[2 f[x], {x, 0, 1}]/2 // FullSimplify > > returns just the input > > Integrate[2 f[x], {x, 0, 1}]/2 > Why do you assume that Integrate[2 f[x], {x, 0, 1}] exist ? (Assume i.e. f[x] has a pole at 1) It seems to me that mathematica is not shure about this and so it leaves the intgral expression untouched. What happens when you define f[x] ? Just my $0.01 Regards AHz