Re: What the meant of the symbols # and & on the following example

*To*: mathgroup at smc.vnet.net*Subject*: [mg129615] Re: What the meant of the symbols # and & on the following example*From*: Bob Hanlon <hanlonr357 at gmail.com>*Date*: Wed, 30 Jan 2013 04:25:52 -0500 (EST)*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com*Delivered-to*: l-mathgroup@wolfram.com*Delivered-to*: mathgroup-newout@smc.vnet.net*Delivered-to*: mathgroup-newsend@smc.vnet.net*References*: <20130129074358.7C3106841@smc.vnet.net>

#1 is a slot for an unnamed variable in the pure function definition terminated by &. Look up Function and Root in the Documentation Center. Bob Hanlon On Tue, Jan 29, 2013 at 2:43 AM, Chris <chrisoff22 at yahoo.com.br> wrote: > Bellow is presented an eigenvalue resultant of a jacobian matrix... where appears (..)#1 and (..)#1^2,& what it means? > > Root[C0 CG^2 vG^2 vL \+(2 C0 CL^2 vG vL \[Alpha]^2 \[Rho]L^2+C0 CL^2 vL^2 \[Alpha]^2 \[Rho]L^2) #1+([Alpha] \[Rho]L^2-C0 CL^2 vG \[Alpha]^2 \[Rho]L^2-2 C0 CL^2 vL \[Alpha]^2 \[Rho]L^2) #1^2&,1] > > best regards >

**References**:**What the meant of the symbols # and & on the following example***From:*Chris <chrisoff22@yahoo.com.br>