Re: Re: Creating a Listable Function
- To: mathgroup at smc.vnet.net
- Subject: [mg73577] Re: [mg73552] Re: Creating a Listable Function
- From: János <janos.lobb at yale.edu>
- Date: Thu, 22 Feb 2007 04:33:37 -0500 (EST)
- References: <ergqjm$j0v$1@smc.vnet.net> <200702211104.GAA05007@smc.vnet.net>
SetOptions[VarPop, Listable] SetOptions::rep: "Listable is not a valid replacement rule. SetOptions[VarPop, Listable -> True] SetOptions::optnf: Listable is not a known option for VarPop. J=E1nos. P.S. VarPop IS listable. It can be make "more listable" :) by closing out any other argument with the pattern of x_List. On Feb 21, 2007, at 6:04 AM, Jens-Peer Kuska wrote: > Hi, > > SetAttributes[VarPop,Listable] > > ?? > > Regards > Jens > > Gregory Lypny wrote: >> Hello everyone, >> >> I've created a function for population variance, which does not make >> use of Mathematica's built-in Variance function. >> >> VarPop[x_] := Total[(x - Mean@x)^2]/Length@x >> >> How do I need to change the definition to have the function operate >> across lists much like Total, Mean, and Variance do? >> >> Regards, >> >> Greg >>
- References:
- Re: Creating a Listable Function
- From: Jens-Peer Kuska <kuska@informatik.uni-leipzig.de>
- Re: Creating a Listable Function