Re: Don't understand Plot behavior
- To: mathgroup at smc.vnet.net
- Subject: [mg40071] Re: Don't understand Plot behavior
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Tue, 18 Mar 2003 05:50:24 -0500 (EST)
- Organization: Universitaet Leipzig
- References: <b4pf6u$bu4$1@smc.vnet.net> <200303140945.EAA18797@smc.vnet.net> <b4ubb9$qkl$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
- Sender: owner-wri-mathgroup at wolfram.com
Hi, it has exactly to do with "where is Evaluate[] wrapped around" Because it does not appear "directly as the head of the function argument" Regards Jens Dr Bob wrote: > > It has nothing to do with what Evaluate is wrapped around. From Help: > > "Evaluate only overrides HoldFirst, etc. attributes when it appears > directly as the head of the function argument that would otherwise be > held." > > Plot has attribute HoldAll, and List does not. > > Bobby > > On Fri, 14 Mar 2003 04:45:35 -0500 (EST), Jens-Peer Kuska > <kuska at informatik.uni-leipzig.de> wrote: > > > Hi, > > > > yes because Evaluate[] work only if it is > > waraped arround a function argument or a > > sequence of arguments, and you have to write > > > > Plot[Evaluate[{f[t],0}] , {t, 0, 1}] > > > > otherwise the List[] argument is evaluatet that > > help Plot[] nothing. > > > > Regards > > Jens
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- From: Jens-Peer Kuska <kuska@informatik.uni-leipzig.de>
- Re: Don't understand Plot behavior