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MathGroup Archive 2006

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Re: Thread function over matrix elements?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg69889] Re: Thread function over matrix elements?
  • From: "Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de>
  • Date: Tue, 26 Sep 2006 05:21:49 -0400 (EDT)
  • Organization: Uni Leipzig
  • References: <efacnv$1v0$1@smc.vnet.net>

Hi,

Map[f,mat,{2}]

??
Regards
  Jens

"ben" <benjamin.friedrich at gmail.com> schrieb im 
Newsbeitrag news:efacnv$1v0$1 at smc.vnet.net...
| Dear all,
|
| how do I thread a function over all elements of 
a matrix?
| This piece of code works, but I doubt its the 
way i am supposed to do
| this
|
| mat=Table[i+j,{i,0,2},{j,0,2}]
|
| Map[Map[f[#]&,#]&,mat]
|
| I tried
|
| Map[f[#]&,mat,2]
| Apply[f[#]&,mat,2]
| Thread[f[mat]]
|
| but they give weird results.
|
| Cheers
| Ben
| 



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