Re: HoldAll for Integrate
- To: mathgroup at smc.vnet.net
- Subject: [mg98180] Re: HoldAll for Integrate
- From: dh <dh at metrohm.com>
- Date: Wed, 1 Apr 2009 05:58:29 -0500 (EST)
- References: <gqfknb$kht$1@smc.vnet.net> <gqia1o$ofe$1@smc.vnet.net> <gqq3v1$7nn$1@smc.vnet.net>
Hi Szabolcs, it would not be very hard to check if we have a definite Integral. Daniel Szabolcs Horvát wrote: > dh wrote: >> Hi Tammo, >> >> what Integrate really does can only somebody from Wolfram explain. But >> it completely eludes me why the integration variable in "Integrate" is >> not localized. Maybe some can give a reason for this. >> > > Hello Daniel, > > It does not make any sense to localize the integration variable inside Integrate because the result may contain the integration variable (in case of indefinite integrals). > > However, it might be argued that it is a bad idea to use the same syntax colouring for the integration variable that is used for localized variables (e.g. in Table), as this will make it impossible to tell from the colouring whether the variable has a value. > > > > -- Daniel Huber Metrohm Ltd. Oberdorfstr. 68 CH-9100 Herisau Tel. +41 71 353 8585, Fax +41 71 353 8907 E-Mail:<mailto:dh at metrohm.com> Internet:<http://www.metrohm.com>