Functions of Arrays

*To*: mathgroup at smc.vnet.net*Subject*: [mg102590] Functions of Arrays*From*: zak <u.gotzes at googlemail.com>*Date*: Sun, 16 Aug 2009 06:39:22 -0400 (EDT)

Functions can be defined via f[x1_, x2_] := x1^2 + x2^2 in Mathematica. But how can I manage it to define a function depending on an array? I would like to do something like Array[x,2] f[x[1]_,x[2]_]:=x[1]^2+x[2]^2 because the length of the array varies in my application.

**Follow-Ups**:**Re: Functions of Arrays***From:*Leonid Shifrin <lshifr@gmail.com>

**Re: Functions of Arrays***From:*Patrick Scheibe <pscheibe@trm.uni-leipzig.de>

**Re: Functions of Arrays***From:*DrMajorBob <btreat1@austin.rr.com>