Re: mirror image of a square matrix
- To: mathgroup at smc.vnet.net
- Subject: [mg66333] Re: [mg66318] mirror image of a square matrix
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Wed, 10 May 2006 06:33:18 -0400 (EDT)
- Reply-to: hanlonr at cox.net
- Sender: owner-wri-mathgroup at wolfram.com
mat=Array[a,{4,3}];
Reverse/@mat == Transpose[Reverse[Transpose[mat]]]
True
Bob Hanlon
---- ravi <rv15i at yahoo.se> wrote:
> 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
>