Re: mirror image of a square matrix

*To*: mathgroup at smc.vnet.net*Subject*: [mg66331] Re: mirror image of a square matrix*From*: Peter Pein <petsie at dordos.net>*Date*: Wed, 10 May 2006 06:33:14 -0400 (EDT)*References*: <e3pean$ief$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

ravi schrieb: > Let me define the mirror image of a matrix as the operation of flipping > the columns such that the last column becomes the first, the second > last becomes the second and so on. I would like to know if this can be > done simpler than as follows: > > mat=Table[Random[],{n},{n}] > matR=Transpose[Reverse[Transpose[mat]]] > Are there any built in functions for operations like these? > /ravi > Hi ravi, in the moment I don't see anything more simple than matR=Map[Reverse,mat] (or slightly shorter: matR= Reverse /@ mat) Peter